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English   English definition of “difference”   noun (NOT THE
SAME)    /ˈdɪf.ər.əns/ US  /-ɚ-/ A2 [C or U] the way in which
two or more things which you are comparing are not the same:
What's the difference between an ape and a monkey? Is there any
significant difference in quality between these two
items?Different and difference make a (big) difference B2 (also
make all the difference) to improve a situation (a lot):
Exercise can make a big difference to your state of health.
Putting up some new wallpaper has made all the difference to the
place.Making things betterBecoming better not make any
difference B2 (also not make the slightest difference) to not
change a situation in any way: You can ask him again if you
like, but it won't make any difference - he'll still say no. It
makes no difference where you put the aerial, the TV picture's
still lousy.Similar and the sameDescribing peopl