defective

¹de·fec·tive

adjective \di-ˈfek-tiv\

Definition of DEFECTIVE

1

a : imperfect in form or function : faulty <a defective pane of glass>

b : falling below the norm in structure or in mental or physical function <defective eyesight>

2

: lacking one or more of the usual forms of grammatical inflection <must is a defective verb>

— de·fec·tive·ly adverb

— de·fec·tive·ness noun

Examples of DEFECTIVE

1. This computer is defective. I want my money back.
2. The disease is caused by a defective gene.

First Known Use of DEFECTIVE

14th century

Related to DEFECTIVE

Synonyms

amiss, bad, faulty, flawed, imperfect

Antonyms

faultless, flawless, impeccable, perfect

Related Words

fallible; blemished, broken, crippled, damaged, defaced, disfigured, harmed, hurt, impaired, injured, marred, spoiled, vitiated; deficient, inadequate, incomplete, insufficient, wanting

Near Antonyms

complete, entire, intact, whole; unblemished, undamaged, unimpaired, unspoiled

Rhymes with DEFECTIVE

advective, affective, bijective, collective, connective, convective, corrective, deflective, detective, directive, effective, elective, ejective, infective, inflective, injective, invective, objective, perfective, perspective, projective, protective, reflective, respective, selective, subjective

²defective

noun

Definition of DEFECTIVE

: a person who is subnormal physically or mentally

First Known Use of DEFECTIVE

1592