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[trang-kwil] /ˈtræŋ kwɪl/
free from commotion or tumult; peaceful; quiet; calm:
a tranquil country place.
free from or unaffected by disturbing emotions; unagitated; serene; placid:
a tranquil life.
Origin of tranquil
1595-1605; earlier tranquill < Latin tranquillus quiet, calm, still
Related forms
tranquilly, adverb
tranquilness, noun
untranquil, adjective
untranquilly, adverb
untranquilness, noun
1. agitated. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for tranquil
Contemporary Examples
Historical Examples
  • Be tranquil, and let the spring-time come, that the buds of his hopes may put forth blossoms.

    Goethe and Schiller L. Mhlbach
  • Here, at least, all was tranquil—possibly his fears had been too great.

    The Royal Pawn of Venice Mrs. Lawrence Turnbull
  • If observed without moving the plant about, they appear to be tranquil and inactive.

    The Insect World Louis Figuier
  • They envied her because she alone was tranquil, wealthy, powerful, and free.

    New Italian sketches John Addington Symonds
  • The Stentors are inhabitants of fresh, tranquil water, not subject to agitation, and covered with water plants.

    The Ocean World: Louis Figuier
British Dictionary definitions for tranquil


calm, peaceful or quiet
Derived Forms
tranquilly, adverb
tranquilness, noun
Word Origin
C17: from Latin tranquillus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for tranquil

mid-15c., from Latin tranquillus "quiet" (see tranquility). Related: Tranquilly.

Online Etymology Dictionary, © 2010 Douglas Harper
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tranquil in Technology

1966. ALGOL-like language with sets and other extensions, for the Illiac IV. "TRANQUIL: A Language for an Array Processing Computer", N.E. Abel et al, Proc SJCC 34 (1969).

The Free On-line Dictionary of Computing, © Denis Howe 2010
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