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Webster 1913 Edition


Defective

De-fect′ive

,
Adj.
[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.)
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
,
Noun.

Webster 1828 Edition


Defective

DEFECTIVE

, a.
1.
Wanting either in substance, quantity or quality, or in any thing necessary; imperfect; as a defective limb; defective timber; a defective copy or book; a defective account. Defective articulation, in speaking, renders utterance indistinct.
2.
Wanting in moral qualities; faulty; blamable; not conforming to rectitude or rule; as a defective character.
3.
In grammar, a defective noun is one which wants a whole number or a particular case; an indeclinable noun.
4.
A defective verb, is one which wants some of the tenses.

Definition 2024


defective

defective

See also: défective

English

Adjective

defective (comparative more defective, superlative most defective)

  1. Having one or more defects.
    • 2013 March 1, Harold J. Morowitz, “The Smallest Cell”, in American Scientist, volume 101, number 2, page 83:
      It is likely that the long evolutionary trajectory of Mycoplasma went from a reductive autotroph to oxidative heterotroph to a cell-wall–defective degenerate parasite. This evolutionary trajectory assumes the simplicity to complexity route of biogenesis, a point of view that is not universally accepted.
  2. (grammar, of a lexeme, especially a verb) lacking some forms; e.g., having only one tense or being usable only in the third person.

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

Related terms

Translations

Noun

defective (plural defectives)

  1. A person or thing considered to be defective.
    • 2007 January 15, Bernard E. Harcourt, “The Mentally Ill, Behind Bars”, in New York Times:
      There were many more kinds of mental institutions at mid-century, ones for “mental defectives and epileptics” and the mentally retarded, psychiatric wards in veterans hospitals, as well as “psychopathic” and private mental hospitals.

See also