D defs.my
Entry 4 senses · 2 variants Webster, 1913

Defective

/dĭf-ĕk'-tĭv/ · De·fect·ive · IPA /dɪˈfɛktɪv/
01 a. Wanting in something; incomplete; lacking a part; deficient; imperfect; faulty; -- applied either to natural or moral qualities; as, a defe…
  1. 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. 2.
    Lacking some of the usual forms of declension or conjugation; as, a defective noun or verb.(Gram.)
02 n. Anything that is defective or lacking in some respect.
  1. 1.
    Anything that is defective or lacking in some respect.
  2. 2.
    One who is lacking physically or mentally.(Med.)