say it: TRIV-ee-uhl
trivial is an adjective meaning "(informal) small and of little importance". It carries 3 recorded senses.
(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”
“piffling efforts”
“giving a police officer a free meal may be against the law, but it seems to be a picayune infraction”
colloquialism
of little substance or significance
“a few superficial editorial changes”
“only trivial objections”
Definitions, synonyms and semantic relations for trivial come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.