Answer: crabby

AnswerCrossword Clue
CRABBY

Like a grouch

CRABBY

Cantankerous

CRABBY

Inclined to complaining

CRABBY
In an unpleasant mood
CRABBY
Ill-tempered
CRABBYPeevish
CRABBYLike Lucy of "Peanuts"
CRABBYIn a foul mood
CRABBYChurlish
CRABBYIrritable
CRABBYBad-tempered
CRABBYUnpleasant
CRABBYGrouchy
CRABBYTesty
CRABBYIrascible
CRABBYCurmudgeonly