What is the difference between “in” and “within”?











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It seems they can be used interchangeably but I am not sure. Can somebody explain the difference of use between these two key words? Where do they become different?










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  • You certainly can't use them interchangeably in all contexts - in can be used in many places where within is totally wrong. If OP is unsure, I suggest sticking to in, which would rarely if ever be unacceptable.
    – FumbleFingers
    Aug 31 '11 at 17:32















up vote
14
down vote

favorite
5












It seems they can be used interchangeably but I am not sure. Can somebody explain the difference of use between these two key words? Where do they become different?










share|improve this question
























  • You certainly can't use them interchangeably in all contexts - in can be used in many places where within is totally wrong. If OP is unsure, I suggest sticking to in, which would rarely if ever be unacceptable.
    – FumbleFingers
    Aug 31 '11 at 17:32













up vote
14
down vote

favorite
5









up vote
14
down vote

favorite
5






5





It seems they can be used interchangeably but I am not sure. Can somebody explain the difference of use between these two key words? Where do they become different?










share|improve this question















It seems they can be used interchangeably but I am not sure. Can somebody explain the difference of use between these two key words? Where do they become different?







meaning prepositions






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edited Aug 31 '11 at 18:10









Theta30

1,77752137




1,77752137










asked Aug 31 '11 at 17:27









Tarik

1,228143645




1,228143645












  • You certainly can't use them interchangeably in all contexts - in can be used in many places where within is totally wrong. If OP is unsure, I suggest sticking to in, which would rarely if ever be unacceptable.
    – FumbleFingers
    Aug 31 '11 at 17:32


















  • You certainly can't use them interchangeably in all contexts - in can be used in many places where within is totally wrong. If OP is unsure, I suggest sticking to in, which would rarely if ever be unacceptable.
    – FumbleFingers
    Aug 31 '11 at 17:32
















You certainly can't use them interchangeably in all contexts - in can be used in many places where within is totally wrong. If OP is unsure, I suggest sticking to in, which would rarely if ever be unacceptable.
– FumbleFingers
Aug 31 '11 at 17:32




You certainly can't use them interchangeably in all contexts - in can be used in many places where within is totally wrong. If OP is unsure, I suggest sticking to in, which would rarely if ever be unacceptable.
– FumbleFingers
Aug 31 '11 at 17:32










3 Answers
3






active

oldest

votes

















up vote
20
down vote



accepted










Within is closer to inside - it mainly refers to something like a building where you are physically in (or inside).



In can also mean a state or an organisation, so you can be "in trouble", or "in school" but not "within trouble".






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  • The other answer makes a good point too: You can't always substitute in for within (or inside).
    – Bradd Szonye
    Apr 20 '13 at 11:38










  • @mgb What about the example sentence "the algorithm is able to detect people in/within google-earth images"? Is within acceptable/preferable in this case?
    – halirutan
    Aug 12 '16 at 10:17










  • @halirutan, no 'within an image' wouldn't be normal, Generally always use 'in' unless you know different.
    – mgb
    Aug 12 '16 at 19:11












  • @mgb, For <within> vs <inside>?
    – Pacerier
    May 9 '17 at 17:39


















up vote
1
down vote













In- A limit of some sort.




i.e. "In 6 days,..."




You limit the time in the sentence exactly.





Within- Inside the said limit.




i.e. "Within 6 days,..."




You limit the time in the sentence, but inside the said time.








share|improve this answer




























    up vote
    -4
    down vote













    where ever there is a certainty we use in and in uncertainty we use within.




    I will come in next week. - Use IN-

    I will come within this week - Use within




    Also, if some timeframe is allocated ie : do the work in ten minutes



    Then if the work is completed in 10 min then use in and if completed before 10 min then within.






    share|improve this answer



















    • 1




      I will come in next week does not mean (what I surmise you are trying for) "I will come in the next week". "I will come within the week" means the latter, but the way to express your last point is "I will come in a week's time".
      – TimLymington
      Apr 20 '13 at 11:43











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    3 Answers
    3






    active

    oldest

    votes








    3 Answers
    3






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes








    up vote
    20
    down vote



    accepted










    Within is closer to inside - it mainly refers to something like a building where you are physically in (or inside).



    In can also mean a state or an organisation, so you can be "in trouble", or "in school" but not "within trouble".






    share|improve this answer























    • The other answer makes a good point too: You can't always substitute in for within (or inside).
      – Bradd Szonye
      Apr 20 '13 at 11:38










    • @mgb What about the example sentence "the algorithm is able to detect people in/within google-earth images"? Is within acceptable/preferable in this case?
      – halirutan
      Aug 12 '16 at 10:17










    • @halirutan, no 'within an image' wouldn't be normal, Generally always use 'in' unless you know different.
      – mgb
      Aug 12 '16 at 19:11












    • @mgb, For <within> vs <inside>?
      – Pacerier
      May 9 '17 at 17:39















    up vote
    20
    down vote



    accepted










    Within is closer to inside - it mainly refers to something like a building where you are physically in (or inside).



    In can also mean a state or an organisation, so you can be "in trouble", or "in school" but not "within trouble".






    share|improve this answer























    • The other answer makes a good point too: You can't always substitute in for within (or inside).
      – Bradd Szonye
      Apr 20 '13 at 11:38










    • @mgb What about the example sentence "the algorithm is able to detect people in/within google-earth images"? Is within acceptable/preferable in this case?
      – halirutan
      Aug 12 '16 at 10:17










    • @halirutan, no 'within an image' wouldn't be normal, Generally always use 'in' unless you know different.
      – mgb
      Aug 12 '16 at 19:11












    • @mgb, For <within> vs <inside>?
      – Pacerier
      May 9 '17 at 17:39













    up vote
    20
    down vote



    accepted







    up vote
    20
    down vote



    accepted






    Within is closer to inside - it mainly refers to something like a building where you are physically in (or inside).



    In can also mean a state or an organisation, so you can be "in trouble", or "in school" but not "within trouble".






    share|improve this answer














    Within is closer to inside - it mainly refers to something like a building where you are physically in (or inside).



    In can also mean a state or an organisation, so you can be "in trouble", or "in school" but not "within trouble".







    share|improve this answer














    share|improve this answer



    share|improve this answer








    edited Aug 31 '11 at 20:36









    Daniel

    47k59229352




    47k59229352










    answered Aug 31 '11 at 17:33









    mgb

    21.9k23687




    21.9k23687












    • The other answer makes a good point too: You can't always substitute in for within (or inside).
      – Bradd Szonye
      Apr 20 '13 at 11:38










    • @mgb What about the example sentence "the algorithm is able to detect people in/within google-earth images"? Is within acceptable/preferable in this case?
      – halirutan
      Aug 12 '16 at 10:17










    • @halirutan, no 'within an image' wouldn't be normal, Generally always use 'in' unless you know different.
      – mgb
      Aug 12 '16 at 19:11












    • @mgb, For <within> vs <inside>?
      – Pacerier
      May 9 '17 at 17:39


















    • The other answer makes a good point too: You can't always substitute in for within (or inside).
      – Bradd Szonye
      Apr 20 '13 at 11:38










    • @mgb What about the example sentence "the algorithm is able to detect people in/within google-earth images"? Is within acceptable/preferable in this case?
      – halirutan
      Aug 12 '16 at 10:17










    • @halirutan, no 'within an image' wouldn't be normal, Generally always use 'in' unless you know different.
      – mgb
      Aug 12 '16 at 19:11












    • @mgb, For <within> vs <inside>?
      – Pacerier
      May 9 '17 at 17:39
















    The other answer makes a good point too: You can't always substitute in for within (or inside).
    – Bradd Szonye
    Apr 20 '13 at 11:38




    The other answer makes a good point too: You can't always substitute in for within (or inside).
    – Bradd Szonye
    Apr 20 '13 at 11:38












    @mgb What about the example sentence "the algorithm is able to detect people in/within google-earth images"? Is within acceptable/preferable in this case?
    – halirutan
    Aug 12 '16 at 10:17




    @mgb What about the example sentence "the algorithm is able to detect people in/within google-earth images"? Is within acceptable/preferable in this case?
    – halirutan
    Aug 12 '16 at 10:17












    @halirutan, no 'within an image' wouldn't be normal, Generally always use 'in' unless you know different.
    – mgb
    Aug 12 '16 at 19:11






    @halirutan, no 'within an image' wouldn't be normal, Generally always use 'in' unless you know different.
    – mgb
    Aug 12 '16 at 19:11














    @mgb, For <within> vs <inside>?
    – Pacerier
    May 9 '17 at 17:39




    @mgb, For <within> vs <inside>?
    – Pacerier
    May 9 '17 at 17:39












    up vote
    1
    down vote













    In- A limit of some sort.




    i.e. "In 6 days,..."




    You limit the time in the sentence exactly.





    Within- Inside the said limit.




    i.e. "Within 6 days,..."




    You limit the time in the sentence, but inside the said time.








    share|improve this answer

























      up vote
      1
      down vote













      In- A limit of some sort.




      i.e. "In 6 days,..."




      You limit the time in the sentence exactly.





      Within- Inside the said limit.




      i.e. "Within 6 days,..."




      You limit the time in the sentence, but inside the said time.








      share|improve this answer























        up vote
        1
        down vote










        up vote
        1
        down vote









        In- A limit of some sort.




        i.e. "In 6 days,..."




        You limit the time in the sentence exactly.





        Within- Inside the said limit.




        i.e. "Within 6 days,..."




        You limit the time in the sentence, but inside the said time.








        share|improve this answer












        In- A limit of some sort.




        i.e. "In 6 days,..."




        You limit the time in the sentence exactly.





        Within- Inside the said limit.




        i.e. "Within 6 days,..."




        You limit the time in the sentence, but inside the said time.









        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Jan 20 '17 at 15:02









        Tyla

        111




        111






















            up vote
            -4
            down vote













            where ever there is a certainty we use in and in uncertainty we use within.




            I will come in next week. - Use IN-

            I will come within this week - Use within




            Also, if some timeframe is allocated ie : do the work in ten minutes



            Then if the work is completed in 10 min then use in and if completed before 10 min then within.






            share|improve this answer



















            • 1




              I will come in next week does not mean (what I surmise you are trying for) "I will come in the next week". "I will come within the week" means the latter, but the way to express your last point is "I will come in a week's time".
              – TimLymington
              Apr 20 '13 at 11:43















            up vote
            -4
            down vote













            where ever there is a certainty we use in and in uncertainty we use within.




            I will come in next week. - Use IN-

            I will come within this week - Use within




            Also, if some timeframe is allocated ie : do the work in ten minutes



            Then if the work is completed in 10 min then use in and if completed before 10 min then within.






            share|improve this answer



















            • 1




              I will come in next week does not mean (what I surmise you are trying for) "I will come in the next week". "I will come within the week" means the latter, but the way to express your last point is "I will come in a week's time".
              – TimLymington
              Apr 20 '13 at 11:43













            up vote
            -4
            down vote










            up vote
            -4
            down vote









            where ever there is a certainty we use in and in uncertainty we use within.




            I will come in next week. - Use IN-

            I will come within this week - Use within




            Also, if some timeframe is allocated ie : do the work in ten minutes



            Then if the work is completed in 10 min then use in and if completed before 10 min then within.






            share|improve this answer














            where ever there is a certainty we use in and in uncertainty we use within.




            I will come in next week. - Use IN-

            I will come within this week - Use within




            Also, if some timeframe is allocated ie : do the work in ten minutes



            Then if the work is completed in 10 min then use in and if completed before 10 min then within.







            share|improve this answer














            share|improve this answer



            share|improve this answer








            edited Apr 20 '13 at 14:56









            Kit Z. Fox

            23.3k1993179




            23.3k1993179










            answered Apr 20 '13 at 11:31









            Ayushi Mishta

            1




            1








            • 1




              I will come in next week does not mean (what I surmise you are trying for) "I will come in the next week". "I will come within the week" means the latter, but the way to express your last point is "I will come in a week's time".
              – TimLymington
              Apr 20 '13 at 11:43














            • 1




              I will come in next week does not mean (what I surmise you are trying for) "I will come in the next week". "I will come within the week" means the latter, but the way to express your last point is "I will come in a week's time".
              – TimLymington
              Apr 20 '13 at 11:43








            1




            1




            I will come in next week does not mean (what I surmise you are trying for) "I will come in the next week". "I will come within the week" means the latter, but the way to express your last point is "I will come in a week's time".
            – TimLymington
            Apr 20 '13 at 11:43




            I will come in next week does not mean (what I surmise you are trying for) "I will come in the next week". "I will come within the week" means the latter, but the way to express your last point is "I will come in a week's time".
            – TimLymington
            Apr 20 '13 at 11:43


















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