a drug that calms a person without affecting clarity of consciousness anything that tranquillizes
Collins Concise English Dictionary © HarperCollins Publishers::
tran•quil•iz•er or tran•quil•liz•er /ˈtræŋkwəˌlaɪzɚ/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2025- a person or thing that tranquilizes, esp. a drug that has a mildly calming effect.
tran•quil•iz•er
(trang′kwə lī′zər),USA pronunciation n.
- a person or thing that tranquilizes.
- a drug that has a sedative or calming effect without inducing sleep.
- DrugsSee antianxiety drug.
- antipsychotic (def. 2).
- tranquilize + -er1 1790–1800
'tranquillizer' also found in these entries (note: many are not synonyms or translations):