different between deficient vs defective

English

Etymology

From Latin deficiens, present participle of deficere (“to lack, fail, be wanting”); see defect.

Pronunciation

• (UK) IPA^(key): /d??f???nt/
• Rhymes: -???nt

Adjective

deficient (comparative more deficient, superlative most deficient)

1. Lacking something essential; often construed with in.
2. Insufficient or inadequate in amount.
3. (mathematics) Of a number n, Having the sum of divisors ?(n)<2n, or, equivalently, the sum of proper divisors (or aliquot sum) s(n)<n.

Related terms

• defect
• defection
• defective
• defector
• deficiency
• deficit

Translations

Further reading

• deficient in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• deficient in The Century Dictionary, New York, N.Y.: The Century Co., 1911.

Catalan

Etymology

Borrowed from Latin d?fici?ns.

Pronunciation

• (Balearic) IPA^(key): /d?.fi.si?ent/
• (Central) IPA^(key): /d?.fi.si?en/
• (Valencian) IPA^(key): /de.fi.si?ent/

Adjective

deficient (masculine and feminine plural deficients)

1. deficient

Related terms

• deficiència

Further reading

• “deficient” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.

Latin

Verb

d?ficient

1. third-person plural future active indicative of d?fici?

Romanian

Etymology

From French déficient

Adjective

deficient m or n (feminine singular deficient?, masculine plural deficien?i, feminine and neuter plural deficiente)

1. deficient

Declension

English

Etymology

From Middle French défectif, from Late Latin defectivus.

Pronunciation

• (UK) IPA^(key): /d??f?kt?v/
• Rhymes: -?kt?v

Adjective

defective (comparative more defective, superlative most defective)

1. Having one or more defects.

   Synonym: faulty

   Antonyms: complete, perfect
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.
3. (Arabic grammar, of a verb) Having a root whose final consonant is weak (?, ?, or ?).
4. (Hebrew orthography) Spelled without matres lectionis, for example ??? (ómets, “courage”) as opposed to the plene spelling ???? where the letter vav ??? indicates the vowel o.

   Antonym: plene

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.

Related terms

Translations

Noun

defective (plural defectives)

1. A person or thing considered to be defective.

See also

• Wikipedia article on defective verbs

References

Interlingua

Adjective

defective (comparative plus defective, superlative le plus defective)

1. defective (having defects)