interaction

noun

in·​ter·​ac·​tion ˌin-tər-ˈak-shən How to pronounce interaction (audio)
Synonyms of interactionnext
: mutual or reciprocal action or influence
interactional adjective

Examples of interaction in a Sentence

she guessed from the friendly interaction that they were close to the other parents in the organization
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Those documents previously allowed certain interactions between chatbots and minors. Aamir Khollam, Interesting Engineering, 31 Dec. 2025 Advocates argue chatbots often encourage prolonged interaction, which can become addictive for teens. Kurt Knutsson, FOXNews.com, 30 Dec. 2025 In a recent Senate hearing, parents of two teens testified that prolonged chatbot interactions encouraged their children's suicide plans. Brittney Melton, NPR, 30 Dec. 2025 Like everything Anthony Bourdain touched, his worldview — expressed in commentary and through his interactions with food and people — was one of empathy, curiosity, and connection. Ilana Gordon, Entertainment Weekly, 30 Dec. 2025 See All Example Sentences for interaction

Word History

First Known Use

1832, in the meaning defined above

Time Traveler
The first known use of interaction was in 1832

Browse Nearby Words

Cite this Entry

“Interaction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interaction. Accessed 31 Dec. 2025.

Kids Definition

interaction

noun
in·​ter·​ac·​tion ˌint-ə-ˈrak-shən How to pronounce interaction (audio)
: the action or influence of people, groups, or things on one another
interactional
-shnəl How to pronounce interaction (audio)
-shən-ᵊl
adjective

Medical Definition

interaction

noun
in·​ter·​ac·​tion ˌint-ə-ˈrak-shən How to pronounce interaction (audio)
: mutual or reciprocal action or influence
interaction of the heart and lungs
interactional adjective

More from Merriam-Webster on interaction

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