• synonyms


[proh-too-ber-uh nt, -tyoo-, pruh-]
See more synonyms for protuberant on Thesaurus.com
  1. bulging out beyond the surrounding surface; protruding; projecting: protuberant eyes.
Show More

Origin of protuberant

1640–50; < Late Latin prōtūberant- (stem of prōtūberāns), present participle of prōtūberāre to swell. See pro-1, tuber1, -ant
Related formspro·tu·ber·ant·ly, adverbnon·pro·tu·ber·ant, adjectivenon·pro·tu·ber·ant·ly, adverbun·pro·tu·ber·ant, adjectiveun·pro·tu·ber·ant·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for protuberant

lumpy, asymmetrical, elliptical, jagged, craggy, unbalanced, outstanding, protruding, bent, eccentric, wobbly, variable, rough, aberrant, noticeable, convex, salient, jutting, beetling, bulging

Examples from the Web for protuberant

Historical Examples of protuberant

British Dictionary definitions for protuberant


  1. swelling out from the surrounding surface; bulging
Show More
Derived Formsprotuberance or protuberancy, nounprotuberantly, adverb

Word Origin for protuberant

C17: from Late Latin prōtūberāre to swell, from pro- 1 + tūber swelling
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

Word Origin and History for protuberant


1640s, from French protubérant (16c.) and directly from Late Latin protuberantem (moninative protuberans), present participle of protuberare "to swell, bulge out" (see protuberance). Related: Protuberantly.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

protuberant in Medicine


  1. Swelling outward; bulging.
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.