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  1. easily provoked to anger; very irritable: an irascible old man.
  2. characterized or produced by anger: an irascible response.
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Origin of irascible

1350–1400; Middle English irascibel < Late Latin īrāscibilis, equivalent to Latin īrāsc- (stem of īrāscī to grow angry; equivalent to īr(a) ire + -ā- theme vowel + -sc- inchoative suffix + infinitive ending; see -esce) + -ibilis -ible
Related formsi·ras·ci·bil·i·ty, i·ras·ci·ble·ness, nouni·ras·ci·bly, adverbun·i·ras·ci·bil·i·ty, nounun·i·ras·ci·ble, adjective
Can be confusederasable irascible

Synonyms for irascible

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Antonyms for irascible

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for irascibility

fury, tiff, sensitivity, resentment, snit, irritation, anger, irritability, annoyance, pugnacity, impatience, fit, acerbity, passion, wax, furor, ire, outburst, tizzy, petulance

Examples from the Web for irascibility

Contemporary Examples of irascibility

Historical Examples of irascibility

British Dictionary definitions for irascibility


  1. easily angered; irritable
  2. showing irritabilityan irascible action
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Derived Formsirascibility or irascibleness, nounirascibly, adverb

Word Origin for irascible

C16: from Late Latin īrascibilis, from Latin īra anger
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 irascibility


1750, from irascible + -ity.

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late 14c., from Middle French irascible (12c.) and directly from Late Latin irascibilis, from Latin irasci "be angry, be in a rage," from ira "anger" (see ire).

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Online Etymology Dictionary, © 2010 Douglas Harper