Bad-tempered
'bad-tempered' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for waspish that I've seen before include "'Very irritable, like a stinger (7)'" , "Bad-tempered like stinging insect" , "Pshaw, is like a stinging insect" , "Easily-provoked" , "Sharp and irritable like stinging insect" .)
'bad-tempered' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for petulant that I've seen before include "Irritable, sullen" , "peevish impatience" , "Peevish, irritable" , "Fractious, peevish" , "Peevish, surly" .)