What do a.m. and p.m. stand for?


[trang-kwuh-lahyz] /ˈtræŋ kwəˌlaɪz/
verb (used with object), verb (used without object), tranquilized, tranquilizing.
to make or become tranquil.
Origin of tranquilize
1615-25; tranquil + -ize
Related forms
tranquilization, noun
untranquilize, verb (used with object), untranquilized, untranquilizing. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for tranquilize
  • The scientists must send a team to tranquilize the bear with a dart gun, but they don't know how many gunners to send.
  • To tranquilize or not to tranquilize, that is the question.
  • Vets were planning to tranquilize him, bring him to the park's wildlife rehabilitation center, and nurse him back to health.
  • Test your reaction time here by seeing how fast you can tranquilize speedy cartoon sheep.
  • Uses controlled substances to tranquilize or medicate animals.
  • Some chemical agents may be used to tranquilize birds and enable their capture for marking.
  • Even bear researchers, who use jab sticks to tranquilize bears in the winter, rarely use tranquilizer guns.
  • He had to tranquilize the dogs for removal because they were aggressive.
  • tranquilize and euthanize animals that are a danger to the public.
  • Once the jaguar was in the snare, biologists had to tranquilize the animal in order to release him.
British Dictionary definitions for tranquilize


to make or become calm or calmer
Derived Forms
tranquillization, tranquillisation, (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
Cite This Source
Word Origin and History for tranquilize

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

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
tranquilize in Medicine

tranquilize tran·quil·ize or tran·quil·lize (trāng'kwə-līz', trān'-)
v. tran·quil·ized or tran·quil·lized, tran·quil·iz·ing or tran·quil·liz·ing, tran·quil·iz·es or tran·quil·liz·es

  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.

tran'quil·i·za'tion (-kwə-lĭ-zā'shən) n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Difficulty index for tranquilize

Few English speakers likely know this word

Word Value for tranquilize

Scrabble Words With Friends