- Interact is defined as to engage in verbal or physical contact with someone else.
An example of interact is for two children to play a board game together.
Children interact while playing a board game.
- to act on one another; act reciprocally
- to deal, work, etc. with someone or something: a politician who interacts well with members of the media
intransitive verbin·ter·act·ed, in·ter·act·ing, in·ter·acts
(third-person singular simple present interacts, present participle interacting, simple past and past participle interacted)
inter- + act