tranquil

adjective

tran·​quil ˈtraŋ-kwəl 

ˈtran-

1

a

: free from agitation of mind or spirit

a tranquil self-assurance

b

: free from disturbance or turmoil

a tranquil scene

2

: unvarying in aspect : steady, stable

tranquilly

ˈtraŋ-kwə-lē 

ˈtran-

adverb

tranquilness noun

Synonyms

• quiet
• peaceful
• serene
• placid
• restful

Choose the Right Synonym for tranquil

calm, tranquil, serene, placid, peaceful mean quiet and free from disturbance.

calm often implies a contrast with a foregoing or nearby state of agitation or violence.

the protests ended, and the streets were calm again

tranquil suggests a very deep quietude or composure.

the tranquil beauty of a formal garden

serene stresses an unclouded and lofty tranquility.

watched the sunset of a serene summer's evening

placid suggests an undisturbed appearance and often implies a degree of complacency.

remained placid despite the criticism

peaceful implies a state of repose in contrast with or following strife or turmoil.

grown peaceful in old age

Examples of tranquil in a Sentence

the house was once again tranquil after the kids moved outside to play

though she should have been upset, she felt oddly tranquil upon learning that she would not be receiving the scholarship

Recent Examples on the Web

You and your date are nestled on Mozart's expansive deck, with a signature coffee in hand, watching this spectacular show unfold over the tranquil waters of Lake Austin. —Ana Gutierrez, Austin American Statesman, 2 July 2025

The tranquil spa on the property’s lower level feels like a hidden oasis, with a sleek and contemporary pool that is, in fact, the only indoor swimming pool in inner Copenhagen. —Elizabeth Brownfield, Forbes.com, 28 June 2025

On a tranquil corner in Medford, a striking residence at 19 Shirley Road bridges eras with confidence. —Miriam Schwartz, Boston Herald, 27 June 2025

The primary suite provides homeowners with 1,500 square feet of private space that includes access to a tranquil garden, plus a cold plunge and a balcony with sweeping views of the Bay. —Demetrius Simms, Robb Report, 23 June 2025

Word History

Etymology

Middle English tranquill, from Latin tranquillus

First Known Use

15th century, in the meaning defined at sense 1a

Kids Definition

tranquil

adjective

tran·​quil ˈtraŋ-kwəl 

ˈtran-

: free from disturbance or turmoil : quiet

tranquilly

-kwə-lē 

adverb