Defective

·add. ·noun One who is lacking physically or mentally.

II. Defective ·add. ·noun Anything that is defective or lacking in some respect.

III. Defective ·adj Lacking some of the usual forms of declension or conjugation; as, a defective noun or verb.

IV. Defective ·adj 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.