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tranquilize

or tran·quil·lize

[trang-kwuh-lahyz]
verb (used with or without object), tran·quil·ized, tran·quil·iz·ing.
  1. to make or become tranquil.
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Also especially British, tran·quil·lise.

Origin of tranquilize

First recorded in 1615–25; tranquil + -ize
Related formstran·quil·i·za·tion, nounun·tran·quil·ize, verb (used with object), un·tran·quil·ized, un·tran·quil·iz·ing.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for tranquillize

Historical Examples


British Dictionary definitions for tranquillize

tranquillize

tranquillise or US tranquilize

verb
  1. to make or become calm or calmer
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Derived Formstranquillization, tranquillisation or US tranquilization, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for tranquillize

tranquilize

v.

1620s, from tranquil + -ize. Related: Tranquilized; tranquilizing.

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Online Etymology Dictionary, © 2010 Douglas Harper

tranquillize in Medicine

tranquilize

v.
  1. To make tranquil; pacify.
  2. To sedate or relieve of anxiety or tension by the administration of a drug.
  3. To become tranquil; relax.
  4. To have a calming or soothing effect.
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Related formstran′quil•i•zation (-kwə-lĭ-zāshən) n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.