If you try to take apart irascible on the model of irrational, irresistible, and irresponsible you might find yourself wondering what ascible means—but that's not how irascible came to be. The key to the meaning of irascible isn't the negating prefix ir- (which is the form of the prefix in- that is used before words beginning with "r"), but rather the Latin noun ira, meaning "anger." From ira, which is also the root of irate and ire, came the Latin verb irasci ("to become angry") and the related adjective irascibilis, the latter of which led to the French word irascible. English speakers borrowed the word from French in the 16th century.
an irascible old football coach
He has an irascible disposition.
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Lewis could be briefly irascible, but his kindness almost always triumphed.—Christopher Carroll, Harper's Magazine, 23 Sep. 2024 The strategy of rebalancing toward Asia thus makes sense but risks creating expectations that Washington will not be able to meet while feeding Chinese suspicions, which could lead to a far more irascible U.S.-Chinese relationship.—Martin Indyk, Foreign Affairs, 20 Apr. 2012 Oscar winner Oldman stars as the irascible Jackson Lamb.—Etan Vlessing, The Hollywood Reporter, 15 Oct. 2024 In a career that flourished well into her 80s, Smith played the stern yet compassionate Professor Minerva McGonagall in the Harry Potter series and the irascible Violet Crawley, Dowager Countess of Grantham, in Downton Abbey.—Duane Byrge, The Hollywood Reporter, 27 Sep. 2024 See all Example Sentences for irascible
Word History
Etymology
Middle French, from Late Latin irascibilis, from Latin irasci to become angry, be angry, from ira
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