pic·a·yune 
(pĭk′ə-yn)
(pĭk′ə-yn)adj.
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).
n.
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·yunish adj.