de·fec·tive /dɪˈfɛktɪv/
 (a.)有缺陷的,欠缺的有缺陷的人,不完全變化動詞
 de·fec·tive /dɪˈfɛktɪv/ 形容詞
 有缺陷的,不完全的,身心有缺陷的人
 defective
 缺陷
 De·fect·ive a.
 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. 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.
 De·fect·ive n.
 1. Anything that is defective or lacking in some respect.
 2.  Med. One who is lacking physically or mentally.
 Note: ☞ Under the term defectives are included deaf-mutes, the blind, the feeble-minded, the insane, and sometimes, esp. in criminology, criminals and paupers.
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 defective
      adj 1: having a defect; "I returned the appliance because it was
             defective" [syn: faulty]
      2: markedly subnormal in structure or function or intelligence
         or behavior; "defective speech"
      3: not working properly; "a bad telephone connection"; "a
         defective appliance" [syn: bad]