adjectives
easily irritated or annoyed
"an incorrigibly fractious young man"; "not the least nettlesome of his countrymen"
cranky,
fractious,
irritable,
nettlesome,
peckish,
peevish,
pettish,
petulant,
scratchy,
techy,
testy,
tetchy
lacking consistency
"the golfer hit the ball well but his putting was spotty"
unpleasantly harsh or grating in sound
"a gravelly voice"