Standard Lemma guide

defective

adj · adv · noun · 11 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /dɪˈfɛktɪv/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -ɛktɪv
  • CMU ARPABET: D IH0 F EH1 K T IH0 V Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Having one or more defects.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: faulty

Antonyms: complete, perfect, undefective

2

adj

Meaning 2

Lacking some forms; e.g., having only one tense or being usable only in the third person.

Definition source: English Wiktionary via Wiktextract

Qualifier: especially a verb

Topics: grammar, human-sciences, linguistics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

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

Definition source: English Wiktionary via Wiktextract

Usage: Arabic

Topics: grammar, human-sciences, linguistics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adj

Meaning 4

Not capable of representing all the phonemic distinctions of a language it is used to write.

Definition source: English Wiktionary via Wiktextract

Topics: communications, journalism, literature, media, orthography, publishing, writing

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

adj

Meaning 5

Spelled without matres lectionis, for example אמץ (ómets, “courage”) as opposed to the plene spelling אומץ where the letter vav ⟨ו⟩ indicates the vowel o.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: plene

6

adv

Meaning 6

Without matres lectionis (letters indicating vowels) written out.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: plene

7

noun

Meaning 7

A person or thing considered to be defective.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

A word written without matres lectionis (letters indicating vowels).

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: plene

9

adjective satellite

Meaning 9

not working properly

Definition source: Princeton WordNet 3.0

Examples

  • a bad telephone connection
  • a defective appliance

Meaning relationships

Synonyms: bad

Antonyms: none provided

10

adjective satellite

Meaning 10

markedly subnormal in structure or function or intelligence or behavior

Definition source: Princeton WordNet 3.0

Examples

  • defective speech

Meaning relationships

Synonyms: none provided

Antonyms: none provided

11

adjective satellite

Meaning 11

having a defect

Definition source: Princeton WordNet 3.0

Examples

  • I returned the appliance because it was defective

Meaning relationships

Synonyms: faulty

Antonyms: none provided

History

Etymology

From Middle English defectif, defective, from Old French defectif, from Late Latin dēfectīvus.

Across languages

Translations

75 source translations are retained for this English entry.

  • Arabic: معيب (maʕīb) — having one or more defects
  • Bulgarian: повреден (povreden) — having one or more defects
  • Bulgarian: неизправен (neizpraven) — having one or more defects
  • Catalan: defectiu — having one or more defects
  • Catalan: defectuós — having one or more defects
  • Czech: vadný — having one or more defects
  • Danish: fejlbehæftet — having one or more defects
  • Danish: defekt — having one or more defects
  • Dutch: gebrekkig — having one or more defects
  • Dutch: onvolkomen — having one or more defects
  • Dutch: onvolmaakt — having one or more defects
  • Dutch: defectief — having one or more defects
  • Finnish: puutteellinen — having one or more defects
  • Finnish: vajaa — having one or more defects
  • Finnish: vajavainen — having one or more defects
  • Finnish: viallinen — having one or more defects
  • Finnish: rikkinäinen — having one or more defects
  • French: défectueux — having one or more defects
  • Galician: defectuoso — having one or more defects
  • German: fehlerhaft — having one or more defects
  • German: defekt — having one or more defects
  • Greek: ελαττωματικός (elattomatikós) — having one or more defects
  • Hebrew: פגום (pagum) — having one or more defects
  • Hungarian: hibás — having one or more defects
  • Hungarian: hiányos — having one or more defects
  • Irish: easpach — having one or more defects
  • Italian: difettoso — having one or more defects
  • Central Kurdish: عەیبدار ('eybdar) — having one or more defects
  • Latin: vitiōsus — having one or more defects
  • Latin: mendōsus — having one or more defects
  • Latin: dēfectīvus — having one or more defects
  • Polish: wadliwy — having one or more defects
  • Polish: felerny — having one or more defects
  • Portuguese: defeituoso — having one or more defects
  • Romanian: defect — having one or more defects
  • Romanian: defectuos — having one or more defects
  • Russian: дефе́ктный (deféktnyj) — having one or more defects
  • Russian: повреждённый (povreždjónnyj) — having one or more defects
  • Russian: неиспра́вный (neisprávnyj) — having one or more defects
  • Sikkimese: སྐྱོན་ཅན (skyon can) — having one or more defects
  • Spanish: defectuoso — having one or more defects
  • Swedish: defekt — having one or more defects
  • Tagalog: depektibo — having one or more defects
  • Tagalog: depektuwoso — having one or more defects
  • Turkish: hatalı — having one or more defects
  • Turkish: kusurlu — having one or more defects
  • Turkish: çürük — having one or more defects
  • Turkish: eksik — having one or more defects
  • Ottoman Turkish: اكسیك (eksik) — having one or more defects
  • Ottoman Turkish: چوروك (çürük) — having one or more defects
  • Breton: diglok — having only some forms
  • Catalan: defectiu — having only some forms
  • Danish: ufuldstændig — having only some forms
  • Dutch: defectief — having only some forms
  • French: défectif — having only some forms
  • Galician: defectivo — having only some forms
  • German: mangelhaft — having only some forms
  • German: unvollständig — having only some forms
  • Greek: ελλειπτικός (elleiptikós) — having only some forms
  • Hebrew: חָסֵר (khasér) — having only some forms
  • Hungarian: hiányos ragozású — having only some forms
  • Hungarian: hiányos — having only some forms
  • Irish: uireasach — having only some forms
  • Italian: difettivo — having only some forms
  • Polish: ułomny — having only some forms
  • Portuguese: defectivo — having only some forms
  • Romanian: defectiv — having only some forms
  • Russian: дефекти́вный (defektívnyj) — having only some forms
  • Scottish Gaelic: uireasbhach — having only some forms
  • Spanish: defectivo — having only some forms
  • Swedish: defektiv — having only some forms
  • Swedish: ofullständig — having only some forms
  • Welsh: ddiffygiol — having only some forms
  • Arabic: نَاقِص (nāqiṣ) — having a weak final consonant
  • Hebrew: חָסֵר (khasér) — spelled without matres lectionis
Real reading context

defective in complete knowledge articles