tranquilize.
To calm (a person or animal) or put them to sleep using a tranquilizer dart.
Meaning & usage
To calm (a person or animal) or put them to sleep using a tranquilizer dart.
The escaped lion was finally tracked down, tranquilized, and safely returned to the zoo.
To make (something or someone) tranquil.
To become tranquil.
To dart (a person or animal) with a sedative
The bear should go down several minutes after being tranquilized.
Where this word comes from
From Middle French tranquiliser. Analyzable as tranquil + -ize.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.