2. (Gram.)

Defn: Lacking some of the usual forms of declension or conjugation;
as, a defective noun or verb.
— De*fect"ive*ly, adv.
— De*fect"ive*ness, n.

DEFECTUOSITY
De*fec`tu*os"i*ty, n. Etym: [Cf. F. défectuosité.]

Defn: Great imperfection. [Obs.] W. Montagu.

DEFECTUOUS
De*fec"tu*ous, a. Etym: [Cf. F. défectueux.]

Defn: Full of defects; imperfect. [Obs.] Barrow.

DEFEDATION Def`e*da"tion, n. Etym: [L. defoedare, defoedatum, to defile; de- + foedare to foul, foedus foul.]

Defn: The act of making foul; pollution. [Obs.]

DEFENCE
De*fence", n. & v. t.

Defn: See Defense.