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Synonyms

tranquilizer

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

noun

  • tranquilizers
    plural
  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.


Other Word Forms

Noun Inflected Forms

Etymology

Origin of tranquilizer

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

Explanation

A medication that's used to relax patients is called a tranquilizer. If someone suffers from severe anxiety, their doctor might prescribe a tranquilizer. The word tranquilizer is commonly used for anti-anxiety or anti-psychotic drugs, but it's not the term most medical professionals use. They are much more likely to use sedative, neuroleptic, or anxiolytic for a calming medication. Tranquilizer, from tranquility or "the state of being calm," was first used for sedatives in 1824, and for anti-anxiety drugs in 1954.

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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.

See Examples For:

The young intern who shot us with a tranquilizer dart and then inserted that inexact analysis apologizes.

From Slate Jun. 13, 2026

The bear fell asleep for hours after being shot with tranquilizer darts, then fell out of the tree and landed on a mattress — a soft landing that was supplied by Walter.

From Seattle Times Jan. 25, 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

Milligan sat near an open window with his tranquilizer gun at the ready.

From "The Mysterious Benedict Society" by Trenton Lee Stewart

The bears ultimately returned to her home before tranquilizers were used.

From Washington Times Oct. 27, 2023

“Very, very, very stressful,” Witalij Miskow, 45, says of the night terrors he’s fighting with tranquilizers and therapy at a mental health treatment center for soldiers on the outskirts of Ukraine’s capital, Kyiv.

From Seattle Times Nov. 30, 2022

"You should not swallow informational tranquilizers," Mikhail Khodaryonok, a retired colonel, told the "60 Minutes" talk show on Rossiya-1 hosted by Olga Skabeyeva, one of the most pro-Kremlin journalists on television.

From Reuters May 17, 2022

Fish and Wildlife officers responded as well, armed with tranquilizers, and successfully subdued the animal, which passed out with its head in the sink and a broken screen on the floor below.

From Fox News May 26, 2021

Nadia had told The Souls about Ginger's bad reaction to tranquilizers during her trip to Florida last August.

From "The View From Saturday" by E.L. Konigsburg

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