Querulous or discontented.
Having a bad temper; irritable.
(Informal) Rapid and without delay.
Easily aroused to anger.
(Archaic) Causing harm; unfavorable
In an ill humor; bad-tempered; peevish
Having a fiery temper; easily made angry
Showing or expressing strong emotion; ardent:
Showing a readiness to fight or quarrel
Indicative of or resulting from anger:
The definition of irate is being extremely angry.
Likely to snap or bite, as a dog.
Difficult to handle:
Difficult to understand; complicated.
In a bad-tempered or sulky mood; grumpy
Surly and peevish; cranky.
The definition of nasty is something that is very dirty, unpleasant or offensive.
The definition of surly is someone who is bad-tempered, or something that is threatening such as poor weather.
Ill-natured; crossgrained; quarrelsome.
(Slang) Hard to cope with; difficult or troublesome:
Having or showing a bad temper
Having a tendency to lose one's temper; easily or quickly angered
Feeling or showing restless eagerness to do something, go somewhere, etc.
Find another word for irascible. In this page you can discover 50 synonyms, antonyms, idiomatic expressions, and related words for irascible, like: peevish, cranky, ill-tempered, snappy, quick-tempered, cross, tetchy, out-of-sorts, irritable, hot-tempered and passionate.