Dictionary.com
Thesaurus.com
Synonyms

tranquility

American  
[trang-kwil-i-tee] / træŋˈkwɪl ɪ ti /
Or tranquillity

noun

  1. the quality or state of being tranquil; calmness; peacefulness; quiet; serenity.

    Soaking in a warm bath for 20 undisturbed minutes is no promise of perfect tranquility, but it comes pretty close!

Etymology

Origin of tranquility

First recorded in 1350–1400; Middle English tranquillite, from Old French tranqil(l)ité, from Latin tranquillitāt-, stem of tranquillitās tranquil, -ity

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.

And in floundering the ending, “Undertone” reminds us that tranquility can be far more unsettling than a cacophony of sight and sound.

From Salon • Mar. 15, 2026

"We wish we had the peace and tranquility we have here back in Guatemala," 45-year-old Glendy Pineda told AFP.

From Barron's • Feb. 24, 2026

Vail Hartman, a U.S. rates strategist at BMO Capital Markets, warned that this recent bout of bond-market tranquility could be the “calm before the correction.”

From MarketWatch • Jan. 15, 2026

You want to do all you can to move beyond the very human fear of death and get as close to tranquility as you can.

From The Wall Street Journal • Jan. 9, 2026

By the time I was born, disturbing the tranquility of Anthony’s remarkable career as a three-year-old wonder-jock, the video cameras were fully trained on his every sprint, gasp, dive, and volley.

From "Better Nate Than Ever" by Tim Federle

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.