peevish
[adjective]
Synonyms: irritable, cantankerous, childish, churlish, cross, crotchety (informal), fractious, fretful, grumpy, petulant, querulous, snappy, sulky, sullen, surly

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Related Idioms: being in a peeve
Related Words: captious, carping, caviling, critical, faultfinding

[TahlilGaran] English Synonym Dictionary ▲

peev‧ish /ˈpiːvɪʃ/ adjective
easily annoyed by small and unimportant things ⇒ bad-tempered:
The kids were peevish after so long in the car.
—peevishly adverb
—peevishness noun [uncountable]

[TahlilGaran] Dictionary of Contemporary English ▲