tranquil

UK: /ˈtræŋkwɪl/ US: /ˈtræŋkwɪl/ ,(trang′kwil)

WordReference Random House Learner's Dictionary of American English © 2025

tran•quil /ˈtræŋkwɪl/   adj. 

1. free from commotion; quiet;
   calm:
   a tranquil village.
2. not affected by disturbing emotions;
   serene;
   placid:
   a tranquil life.

tran•quil•li•ty, tran•quil•i•ty /træŋˈkwɪlɪti/  n. [uncountable]
tran•quil•ly, adv. 

WordReference Random House Unabridged Dictionary of American English © 2025

tran•quil  (trang′kwil), adj. 

1. free from commotion or tumult;
   peaceful;
   quiet;
   calm:
   a tranquil country place.
2. free from or unaffected by disturbing emotions;
   unagitated;
   serene;
   placid:
   a tranquil life.

• Latin tranquillus quiet, calm, still
• earlier tranquill 1595–1605

tran ′quil•ly, adv. 
tran ′quil•ness, n. 
Synonyms

• 1. See peaceful.

Antonyms

• 1. agitated.

Collins Concise English Dictionary © HarperCollins Publishers::

tranquil / ˈtræŋkwɪl/ adjective

1. calm, peaceful or quiet

Etymology: 17th Century: from Latin tranquillus

ˈtranquilly adverb