Defective
Pronunciation : De*fect"ive
Part of Speech : a.
Etymology : [L. defectivus: cf. F. d?fectif. See Defect.]
Definition : 1. Wanting in something; incomplete; lacking a part; deficient; imperfect; faulty; -- applied either to natural or moral qualities; as, a defective limb; defective timber; a defective copy or account; a defective character; defective rules.
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.
Source : Webster's Unabridged Dictionary, 1913