Exasperating
Part of speech: adjective
Definition: That exasperates, infuriates, annoys or irritates
Part of speech: verb
Definition: To tax the patience of, irk, frustrate, vex, provoke, annoy; to make angry.
Maddening
Part of speech: verb
Definition: To make angry.
Part of speech: adjective
Definition: Causing frustration or anger.Leading to insanity.