a dispute over niggling details.
a few superficial editorial changes.
a fiddling sum of money.
a footling gesture.
a little (or small) matter.
a trivial mind.
a trivial young woman.
giving a police officer a free meal may be against the law, but it seems to be a picayune infraction.
limited to petty enterprises.
only trivial objections.
our worries are lilliputian compared with those of countries that are at war.
piffling efforts.