Little; trifling; inconsiderable; also, inferior; subordinate; as, a petty fault; a petty prince.

inferior in rank or status; "the junior faculty"; "a lowly corporal"; "petty officialdom"; "a subordinate functionary"

(informal terms) 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"; "Mickey Mouse regulations"; "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"

contemptibly narrow in outlook; "petty little comments"; "disgusted with their small-minded pettiness"