petty
Definitions
Of little importance or trivial.
Characterized by an undue concern for trivial matters, often in a spiteful or mean-spirited way.
Of secondary rank or lesser importance.
Examples
It is incredibly petty to hold a grudge over such a minor disagreement.
She didn't want to waste her time arguing about petty details that didn't affect the final outcome.
Synonyms
trivial insignificant minor trifling small-minded paltry negligible
Antonyms
significant important major magnanimous generous substantial crucial