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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.]

pic′a·yun′ish adj.
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References in periodicals archive ?
They were breaking new ground in authenticity (an early episode of "All in the Family'' found Archie's wife Edith facing menopause) while battling the network over things as picayunish as the sound of a toilet flushing off-screen.
Not to be picayunish, but I'm wondering about your layout rationale.
24 editorial said Bunn "may be getting a raw deal" and that to most Oregon voters and taxpayers, the charges "look picayunish and the flap about them is overblown.