From Longman Dictionary of Contemporary Englishpicayunepic‧a‧yune /ˌpɪkəˈjuːn/ adjective American English written UNIMPORTANTsmall and unimportant SYN trivial A few cuts and bruises are picayune compared to what might have happened.
Examples from the Corpus
picayune• a picayune off-Broadway theaterOrigin picayune (1800-1900) French picaillon “small coin”, from Provençal picaioun, from picaio “money” 