petty in WordNet English dictionary

1. (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"
   fiddling  footling  lilliputian  little  niggling  piddling  piffling  petty  picayune  trivial 
   
2. inferior in rank or status
   "the junior faculty"; "a lowly corporal"; "petty officialdom"; "a subordinate functionary"
   junior-grade  lower-ranking  lowly  petty  secondary  subaltern 
   
3. contemptibly narrow in outlook
   "petty little comments"; "disgusted with their small-minded pettiness"
   petty  small-minded 
   

1. larceny of property having a value less than some amount (the amount varies by locale)
   petit larceny  petty larceny  petty