pet·ty 
/ˈpɛti/ adjective
pet·ti·er; pet·ti·est /ˈpɛti/ adjective [also more petty; most petty] 1 a : not very important or serious
▪ Let's not waste time arguing over petty [=trivial] details. ▪ petty [=minor] crimes ▪ a petty official [=an official who is not important and has little power]
b : relating to things that are not very important or serious
▪ a petty argument about grammar ▪ petty jealousy
c : committing crimes that are not very serious
▪ petty criminals/thieves/crooks 2 : treating people harshly and unfairly because of things that are not very important
▪ a small-minded, petty person ▪ My behavior was petty and stupid. I apologize.
▪ Let's not waste time arguing over petty [=trivial] details. ▪ petty [=minor] crimes ▪ a petty official [=an official who is not important and has little power]
b : relating to things that are not very important or serious
▪ a petty argument about grammar ▪ petty jealousy
c : committing crimes that are not very serious
▪ petty criminals/thieves/crooks
▪ a small-minded, petty person ▪ My behavior was petty and stupid. I apologize.
— pet·ti·ness /ˈpɛtinəs/ noun [noncount]
▪ the pettiness of their concerns
/ˈpɛtinəs/ noun [noncount] ▪ the pettiness of their concerns
