The definition of aren't is are not.
An example of aren't is saying two friends will not be attending your party; aren't attending.
- are not
- am not: used occasionally in questions: I'm helping you, aren't I?
- Aren’t as a contraction of “am not” is used most often in the question aren’t I? (= am I not?). In the non-interrogative form, the standard contraction of “I am not” is “I’m not”.
OriginSee also: arent
are + -n’t