Synonyms of tranquilize

tranquilize

verb

ˈtraŋ-kwə-ˌlīz 

variants also tranquillize

as in to calm

to free from distress or disturbance

at long last the crying baby was tranquilized by the steady rocking of her cradle

Synonyms & Similar Words

• calm
• soothe
• compose
• lull
• appease
• quiet
• relax
• salve
• quieten
• relieve
• settle
• still
• becalm
• pacify
• hush
• placate
• quell
• mollify
• alleviate
• lullaby
• conciliate
• allay
• mitigate
• ease
• assuage
• stupefy
• sedate
• narcotize
• solace
• lay

Antonyms & Near Antonyms

• upset
• disturb
• agitate
• vex
• perturb
• intensify
• aggravate
• heighten
• discompose
• disquiet
• arouse
• rouse
• stir (up)
• key (up)
• excite
• incite
• work up
• foment

Example Sentences

Recent Examples of tranquilize

And speaking of going to bed, Stevie’s purse was also allegedly full of tranquilizing pills like Quaaludes to help her catch a few hours’ sleep before the circus started again. — Daniel Kreps, Rolling Stone, 14 Sep. 2026

There are also frequent mountain lion sightings in and around Los Angeles, including recent incidents in Santa Monica and Pasadena where lions were tranquilized and removed. — Clara Harter, Los Angeles Times, 9 Sep. 2026

Many bears that visit populated areas are tranquilized and moved out of town. — ABC News, 8 Sep. 2026

Jean manages to break into the secret vault, but she’s tranquilized and apprehended by Tramell Tillman’s Damage Control CEO Bill Metzger. — Jordan Moreau, Variety, 31 July 2026