picayune

(US, historical) A small coin of the value of six-and-a-quarter cents; a Spanish coin with a value of half a real; a fippenny bit.

(informal, figurative) A person regarded as unworthy of respect or useless; also, something of very little value; a trifle.

(informal, figurative) An argument, fact, or other issue raised (often intentionally) that distracts from a larger issue or fails to make any difference.

(US, no longer used) A coin worth five cents (a nickel) or some other low value.

(US) Of little consequence; small and of little importance; petty, trivial.

(US) Childishly spiteful; tending to go on about unimportant things; small-minded.