This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. Informal Grouchy; ill-tempered.

adj. visibly irritated or annoyed; grouchy, irritable, in a foul mood; given to complaining or finding fault.

adj. crabbed; difficult, or perplexing.

adj. Crabbed; difficult, or perplexing.

Difficult; perplexing; crabbed; disagreeable.

adj. annoyed and irritable

"So my husband says (in crabby dad voice), “I think it’s time we took the wreath down because it’s attracting too much wildlife.”"

ill-natured   

crabbier    crabbiest   

crabbiness    crabbily    crab   

crabbed   

Abbey    Abbie    Abby    Abie    Gabby    Gaby    abbe    abbey    cabbie    cabby   

hilarious....but    self-consumed    obsessive-compulsive    out-of-favor    tsk-tsk    runic    crab-like    highly-strung    stomach-wrenching    actor-director