adj. pet·ti·er,
pet·ti·est 1. Of small importance; trivial: a petty grievance. See Synonyms at trivial.
2. Showing an excessive concern with unimportant matters or minor details, especially in a narrow-minded way: petty partisanship.
3. a. Of lesser importance or rank; subordinate: a petty prince.
b. Law Variant of petit.