Dictionaries (http://www.macmillandictionary.com/dictionary/british/difference http://www.ldoceonline.com/dictionary/difference) say "difference" can be used both as a countable noun and an uncountable noun. I am confused with it. I am wondering when I should use "difference" or "differences".

  • When you think that there are more than one unlike events involved, use plural. For example: Are there any differences? If you talk about one particular What is the major difference? Jan 6, 2015 at 14:08

1 Answer 1


Think it in a normal way. When do you use 'car' and 'cars'? There is a car, if there's only one car and there are cars, when there are more than one. Clear?

Similarly, we use a singular form when we mean or expect one difference.

There is a difference in the quality of these two items. This one has a 'thicker' plastic.

So, the 'thickness of the plastic' used for that thing is the difference (only one difference) you find.

On the other hand, we use a plural form when we expect more than one difference.

Find the three differences in these two pictures

You asked when to use what? It's worth to note that when we talk about a disagreement, we generally use the plural form (Probably it's because we are not sure the number of differences!)

They had a terrible argument a few weeks ago, but now they've settled/resolved their differences.

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