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Synonyms

tranquilizer

American  
[trang-kwuh-lahy-zer] / ˈtræŋ kwəˌlaɪ zər /
Or tranquillizer

noun

  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.


Etymology

Origin of tranquilizer

First recorded in 1790–1800; tranquilize + -er 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Zadeh said the cat eventually came to rest in the 2500 block of Pheasant Hill Road, where a second tranquilizer dart was shot, and this one hit its mark.

From Los Angeles Times • Feb. 19, 2025

The 18-day exercise involved tracking the rhinos using a helicopter and then shooting them with tranquilizer darts.

From Seattle Times • Feb. 14, 2024

Nearly twenty years ago, MIT researcher Judith Wurtman observed that "Carbohydrates raise serotonin levels naturally and act like a natural tranquilizer."

From Salon • Oct. 1, 2023

After being treated with a tranquilizer and an anti-inflammatory, the colt didn’t improve and went to the hospital.

From Washington Times • Aug. 21, 2023

I was relieved for a split second, but then I saw it—a white-and-orange tranquilizer dart lodged in Sasha’s right arm.

From "Becoming" by Michelle Obama