SELF-ACTING Synonyms: 18 Similar and Opposite Words

self-acting

adjective

ˌself-ˈak-tiŋ

Definition of self-acting

as in automated

designed to replace or decrease human labor and especially physical labor self-acting machines that were ushered in with the industrial revolution

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Recent Examples of Synonyms for self-acting

Adjective

The system monitors equipment conditions, identifies abnormalities, and can initiate automated responses.

— Aamir Khollam, Interesting Engineering, 20 Oct. 2026
The Stop Flock Abuse Act would regulate automated license plate readers by imposing stricter limits on data, security and search functions.

— DeJanay Booth-Singleton, CBS News, 15 Oct. 2026

Definition of automated

Adjective

District winners earn automatic berths into the FHSAA playoffs.

— Chris Hays, The Orlando Sentinel, 22 Oct. 2026
The Independent Payment Advisory Board, which was supposed to force automatic Medicare cuts if spending exceeded target growth rates, was repealed in 2018 without ever becoming operational.

— Dana P. Goldman, STAT, 22 Oct. 2026

Definition of automatic

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.

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“Self-acting.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/self-acting. Accessed 23 Oct. 2026.

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Synonyms of self-acting

adjective

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