DEFECTIVE

bad, defective

(adjective) not working properly; “a bad telephone connection”; “a defective appliance”

defective

(adjective) markedly subnormal in structure or function or intelligence or behavior; “defective speech”

defective, faulty

(adjective) having a defect; “I returned the appliance because it was defective”

Source: WordNet® 3.1

---

Etymology

Adjective

defective (comparative more defective, superlative most defective)

Having one or more defects.

(grammar, of a lexeme, especially a verb) Lacking some forms; e.g, having only one tense or being usable only in the third person.

(Arabic grammar, of a verb) Having a root whose final consonant is weak (ي, و, or ء).

Usage notes

• Nouns to which "defective" is often applied: merchandise, goods, part, component, product, equipment, gene, unit, construction, design, drug, memory, wiring, machine, device, instrument, hardware, software, vehicle.

Synonyms

• faulty

Antonyms

• complete

• perfect

Noun

defective (plural defectives)

A person or thing considered to be defective.

Source: Wiktionary

---

De*fect"ive, a. Etym: [L. defectivus: cf. F. défectif. See Defect.]

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.)

Definition: 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 Edition

---