Synonyms: grate, fret, rankle, eat into
Definition: gnaw into; make resentful or angry
Usage: The injustice rankled her; his resentment festered
Similar words: devil, irritate, get at, get to, gravel, rag, rile, bother, chafe, annoy, nark, nettle, vex
Definition: cause annoyance in; disturb, especially by minor irritations
Usage: Mosquitoes buzzing in my ear really bothers me; It irritates me that she never closes the door after she leaves