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1. Of little value or importance; paltry. See Synonyms at trivial.
2. Petty; small-minded: "It had seemed picayune to get all bent out of shape organizing the household chores" (Barbara Kingsolver).
1. A Spanish-American half-real piece formerly used in parts of the southern United States.
2. A five-cent piece.
3. Something of very little value; a trifle: not worth a picayune.
[Louisiana French picaillon, small coin, from French, from Provençal picaioun, from picaio, money, perhaps from Old Provençal piquar, to jingle, clink, from Vulgar Latin *piccāre, to pierce; see pique.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.