• synonyms


or tran·quil·liz·er

See more synonyms for tranquilizer on Thesaurus.com
  1. a person or thing that tranquilizes.
  2. a drug that has a sedative or calming effect without inducing sleep.
  3. antianxiety drug.
  4. antipsychotic(def 2).
Show More

Origin of tranquilizer

First recorded in 1790–1800; tranquilize + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for tranquilizer

sedative, opiate, ataractic

Examples from the Web for tranquilizer

Contemporary Examples of tranquilizer

Historical Examples of tranquilizer

  • There might be something in it that could help—a tranquilizer perhaps.

    Planet of the Damned

    Harry Harrison

  • I suggest that you stretch your legs in the park and feed the swans as a tranquilizer.

    Blacksheep! Blacksheep!

    Meredith Nicholson

Word Origin and History for tranquilizer


"sedative," 1824 (first reference is to ground ivy), agent noun from tranquilize; in reference to one of a large group of anti-anxiety drugs, it is recorded by 1956.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

tranquilizer in Medicine


(trăngkwə-līz′ər, trăn-)
  1. Any of various drugs used to reduce tension or anxiety; an antianxiety agent.
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.