tran·quil·iz·er | \ˈtraŋ-kwə-ˌlī-zər, ˈtran-\
variants: or less commonly tranquillizer

Definition of tranquilizer 

1 : a drug used to reduce mental disturbance (such as anxiety and tension) — compare antipsychotic

2 : one that tranquilizes

Examples of tranquilizer in a Sentence

a patient who is on tranquilizers

Recent Examples on the Web

Wilson said because servals like Juno are very fast, the best way to catch him would be using a tranquilizer. Ivana Hrynkiw,, "Woman searching for African serval missing in Pelham," 1 May 2018 Drugs prescribed for bipolar disorder include antidepressants, mood stabilizers and atypical antipsychotics (also known as tranquilizers). Jayme Deerwester, USA TODAY, "Mariah Carey and bipolar disorder: What is it and how is it treated?," 11 Apr. 2018 The deer was liberated in Purcell’s side yard after falling asleep from the tranquilizer. Jordan Cutler-tietjen, sacbee, "Deer in distress from peanut butter jar is freed, Placer resident says," 12 July 2018 In an indictment unsealed on Friday, authorities allege that Ryan Farace operated the business for nearly five years, taking payment in the digital currency Bitcoin and shipping the tranquilizer out through the Postal Service. Ian Duncan,, "Baltimore County man accused in $30 million dark web pain pill scheme," 23 June 2018 Instead she was drugged with the tranquilizer ketamine, handcuffed and zipped into a bag before being driven in the trunk of a car to a farmhouse outside Turin, more than 100 miles away. Adam Carlson,, "Model Was Lured to Italy, Drugged and Then Held for Ransom for Days by 'Psychopath'," 12 June 2018 Wildlife officers found the cub in a tree and immobilized her with a tranquilizer dart. Madeline Farber, Fox News, "Colorado wildlife officials rescue bear cub from wildfire, treat severely burnt paws," 30 June 2018 Wildlife officers found the cub in a tree and immobilized her with a tranquilizer dart and took her to a state facility. CBS News, "Orphaned bear cub rescued after paws are scorched in Colorado wildfire," 29 June 2018 The animal was pronounced dead soon after being shot with several tranquilizer darts and captured. Kelly O'sullivan, Country Living, "This Bull Still Died After Escaping a Slaughterhouse In New York City," 22 Feb. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tranquilizer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of tranquilizer

1800, in the meaning defined at sense 2

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Statistics for tranquilizer

Last Updated

13 Sep 2018

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Time Traveler for tranquilizer

The first known use of tranquilizer was in 1800

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More Definitions for tranquilizer



English Language Learners Definition of tranquilizer

: a drug that causes a person or animal to become very relaxed and calm


tran·quil·iz·er | \ˈtraŋ-kwə-ˌlī-zər \

Kids Definition of tranquilizer

: a drug used to make someone calm and relaxed


variants: or chiefly British tranquillizer or tranquilliser \-ˌlī-zər \

Medical Definition of tranquilizer 

: a drug used to reduce mental disturbance (as anxiety and tension) — see antipsychotic

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