Misalliance
Pronunciation : Mis`al*li"ance
Part of Speech : n.
Etymology : [F. m?salliance.]
Definition : Defn: A marriage with a person of inferior rank or social station; an improper alliance; a mesalliance. A Leigh had made a misalliance, and blushed A Howard should know it. Mrs. Browning.
Source : Webster's Unabridged Dictionary, 1913