(informal) small and of little importance
e.g. a fiddling sum of money
e.g. a footling gesture
e.g. our worries are lilliputian compared with those of countries that are at war
e.g. a little (or small) matter
e.g. a dispute over niggling details
e.g. limited to petty enterprises
e.g. piffling efforts
e.g. giving a police officer a free meal may be against the law, but it seems to be a picayune infraction
Synonym: fiddling footling lilliputian little niggling piddling piffling petty trivial