"picayune" in the adjective sense
1. fiddling, footling, lilliputian, little, niggling, piddling, piffling, petty, picayune, trivial
informal) small and of little importance
"a fiddling sum of money"
"a footling gesture"
"our worries are lilliputian compared with those of countries that are at war"
"a little (or small) matter"
"a dispute over niggling details"
"limited to petty enterprises"
"giving a police officer a free meal may be against the law, but it seems to be a picayune infraction"
Source: WordNet® (An amazing lexical database of English)
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