Definition of interact
: to act upon one another
Examples of interact in a sentence
They're quiet children who don't interact much.
First Known Use of interact
INTERACT Defined for English Language Learners
Definition of interact for English Language Learners
: to talk or do things with other people
: to act together : to come together and have an effect on each other
INTERACT Defined for Kids
Definition of interact for Students
1 : to talk or do things with other people <The neighbors don't interact.>
2 : to act upon or together with something else <The chemicals interacted to produce smoke.>
Seen and Heard
What made you want to look up interact? Please tell us where you read or heard it (including the quote, if possible).