Answer: irater

AnswerCrossword Clue
IRATERMore incensed
IRATERMore livid
IRATERMore ticked
IRATERMore steamed
IRATERComparatively cross
IRATERMore sore
IRATERMore wrathful
IRATERMore put out
iraterIRATE, angry (feeling hostility)
iraterroused to ire an irate taxpayer