interact

UK: /ˌɪntərˈækt/ US: /ˌɪntərˈækt/ ,(in′tər akt′)

WordReference Random House Learner's Dictionary of American English © 2025

in•ter•act /ˌɪntərˈækt/   v. 

1. to act upon one another: [no object]
   When the two chemicals interact they form a gas.
   [~ + with + object]
   One chemical interacts with the other.

in•ter•ac•tion, n. 

[uncountable] social interaction between men and women.

[countable] day-to-day interactions.

in•ter•ac•tive, adj.: 

Interactive video lets the user decide what to see on the screen.

WordReference Random House Unabridged Dictionary of American English © 2025

in•ter•act  (in′tər akt′), v.i. 

1. to act one upon another.

• inter- + act 1740–50

Collins Concise English Dictionary © HarperCollins Publishers::

interact / ˌɪntərˈækt/ verb

1. (intransitive) to act on or in close relation with each other