v. ? Obs. [f. Fr. abastard-ir, -iss-ant: see prec. The term. -ise representing the -iss- of the extended stem in Fr. has been refashioned after vbs. in -IZE. Cf. AMORTIZE.] To render bastard, spurious, or degenerate; to debase, or deteriorate.
1580. Hollyband, Treas. French Tong., Abastardir … to corrupt, or abastardise, to counterfait.
1605. Daniel, Queen’s Arcadia, V. iv. (Wks. 1717), I. 224. And being our selves Corrupted, and abastardized thus.
1610. Donne, Sermon, xcvi. IV. 258. An insinuating of false and adulterous blood, in abastardizing a race, by supposititious children.
1653. Bulwer, Artificiall Changeling (quoting Donne). Doe not abastardise that noble kind, that noble nature, that God hath imparted to thee.
