Picayune
/ˌpɪ.kəˈjuːn/
noun
A small coin of the value of six-and-a-quarter cents; a fippenny bit.
A five-cent piece.
Something of very little value; a trifle.
adjective
Petty, trivial; of little consequence; small and of little importance.
Small-minded; childishly spiteful, tending to go on about unimportant things.
Synonyms: malicious, peevish, petty, petty, picayunish, trivial, worthless