Definify.com

Webster 1913 Edition

Adj.

Vicious; ill-tempered; resembling a jade; – applied to a horse.

Unchaste; – applied to a woman.

L’Estrange.

Adj.

Vitious; bad, like a jade.

Unchaste.

jadish ‎(comparative more jadish, superlative most jadish)

(of a horse) Vicious and ill-tempered, like a jade.
(of a woman) unchaste
(Can we find and add a quotation of L'Estrange to this entry?)