[ ik-skres-uhnt ]

  1. growing abnormally out of something else; superfluous.

  2. Phonetics. (of a speech sound) inserted or added as a result of articulatory interaction or impetus, as the t-sound in sense (sents) or against (from Middle English ageynes), without grammatical or historical justification; intrusive; parasitic.

Origin of excrescent

1600–10; <Latin excrēscent- (stem of excrēscēns), present participle of excrēscere to grow out. See ex-1, crescent

Other words from excrescent

  • ex·cres·cent·ly, adverb
  • su·per·ex·cres·cent, adjective
  • su·per·ex·cres·cent·ly, adverb
  • un·ex·cres·cent, adjective
  • un·ex·cres·cent·ly, adverb

Words Nearby excrescent

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use excrescent in a sentence

British Dictionary definitions for excrescent


/ (ɪkˈskrɛsənt) /

  1. denoting, relating to, or resembling an abnormal outgrowth

  2. uselessly added; not essential; superfluous

  1. denoting or relating to a speech sound or letter inserted into a word without etymological justification, such as the b in nimble

Origin of excrescent

C17: from Latin excrēscēns, from excrēscere, from crēscere to grow

Derived forms of excrescent

  • excrescently, adverb

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