(1):

(n.) Obscure; difficult; perplexing; trying; as, a crabbed author.

(2):

(n.) Characterized by or manifesting, sourness, peevishness, or moroseness; harsh; cross; cynical; - applied to feelings, disposition, or manners.

(3):

(n.) Cramped; irregular; as, crabbed handwriting.

(4):

(n.) Characterized by harshness or roughness; unpleasant; - applied to things; as, a crabbed taste.