← BackshareGuesscantankerous/kænˈtæŋkərəs/adjectiveBad-tempered, argumentative, and often difficult to deal with.Our cantankerous neighbor complained about the music again.A cantankerous customer argued with the cashier over a penny.The old man grew more cantankerous as he aged.SynonymsirritablecrankygrumpyAntonymsagreeablepleasant