(1):

(a.) Sour; unpleasant in taste; - said of wine, beer, etc., not properly fermented; - also of grapes which have the coarse flavor of the fox grape.

(2):

(a.) Having the color of a fox; of a yellowish or reddish brown color; - applied sometimes to paintings when they have too much of this color.

(3):

(a.) Having the odor of a fox; rank; strong smeelling.

(4):

(a.) Like or pertaining to the fox; foxlike in disposition or looks; wily.