tran·​quil·​iz·​er | \ ˈtraŋ-kwə-ˌlī-zər How to pronounce tranquilizer (audio) , 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 Accordingly, the suite itself is a visual tranquilizer, all zinc velvet seating, sky-blue paintings and burnished, soothing touches of gold. Abbie Kozolchyk, Robb Report, 9 Nov. 2021 Morphew’s attorneys pointed to other alleged instances of misconduct, including one example involving a tranquilizer dart. Danielle Wallace, Fox News, 27 Oct. 2021 Sugar acts like a natural tranquilizer that calms you down under stress. Bryan Robinson, Forbes, 17 Oct. 2021 Trying to discredit this woman, Jennifer points out that the captain's fellow agents can't corroborate this sighting, and moreover, the captain's account is compromised by the fact that she was dosed with a mysterious tranquilizer. Nick Schager,, 11 Oct. 2021 In Italy last year, a police officer killed a family of wild boars in a playground with a tranquilizer dart and lethal injections, which sparked outrage, BBC News reports. Caitlin O'kane, CBS News, 30 Sep. 2021 The deer would then be shot with a tranquilizer dart. cleveland, 28 Sep. 2021 According to Cassidy, to avoid using a tranquilizer, zoo officials used pickup trucks to guide Jontu away from the grass while his keepers used apples and other treats to lure him back into the barn. Naledi Ushe,, 8 Sep. 2021 Empty tranquilizer darts were also found in the garage of the home and inside a dryer, where investigators discovered the couple's daughter’s sheets, which had been stripped from the bed in her room. Danielle Wallace, Fox News, 23 Aug. 2021

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.

See More

First Known Use of tranquilizer

1800, in the meaning defined at sense 2

Learn More About tranquilizer

Time Traveler for tranquilizer

Time Traveler

The first known use of tranquilizer was in 1800

See more words from the same year

Dictionary Entries Near tranquilizer




See More Nearby Entries 

Statistics for tranquilizer

Last Updated

16 Nov 2021

Cite this Entry

“Tranquilizer.” Dictionary, Merriam-Webster, Accessed 30 Nov. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

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 How to pronounce tranquilizer (audio) \

Kids Definition of tranquilizer

: a drug used to make someone calm and relaxed


variants: or chiefly British tranquillizer or tranquilliser \ -​ˌlī-​zər How to pronounce tranquilizer (audio) \

Medical Definition of tranquilizer

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


Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!