Standard Lemma guide

defect

noun · verb · 12 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.

  • dē'fĕkt
  • /ˈdiːfɛkt/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -ɛkt
  • dĭfĕkt'
  • /dɪˈfɛkt/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: D IY1 F EH0 K T Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
  • CMU ARPABET 2: D IH0 F EH1 K T Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A fault or malfunction.

Definition source: English Wiktionary via Wiktextract

Examples

  • a defect in the ear or eye; a defect in timber or iron; a defect of memory or judgment

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The quantity or amount by which anything falls short.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A part by which a figure or quantity is wanting or deficient.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

verb

Meaning 4

To abandon or turn against; to cease or change one's loyalty, especially from a military organisation or political party.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

verb

Meaning 5

To desert one's army, to flee from combat.

Definition source: English Wiktionary via Wiktextract

Topics: government, military, politics, war

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

verb

Meaning 6

To join the enemy army.

Definition source: English Wiktionary via Wiktextract

Topics: government, military, politics, war

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

verb

Meaning 7

To flee one's country and seek asylum.

Definition source: English Wiktionary via Wiktextract

Topics: law

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

a mark or flaw that spoils the appearance of something (especially on a person's body)

Definition source: Princeton WordNet 3.0

Examples

  • a facial blemish

Meaning relationships

Synonyms: blemish, mar

Antonyms: none provided

Broader terms: appearance, visual aspect

Narrower terms: birthmark, nevus, chatter mark, check, chip, crack, dent, ding, gouge, nick, mole, scratch, scrape, scar, mark, burn, burn mark, smudge, spot, blot, daub, smear, smirch, slur, stigma, wart, verruca, whitehead, milium, blackhead, comedo

9

noun

Meaning 9

a failing or deficiency

Definition source: Princeton WordNet 3.0

Examples

  • that interpretation is an unfortunate defect of our lack of information

Meaning relationships

Synonyms: shortcoming

Antonyms: none provided

Broader terms: disadvantage

10

noun

Meaning 10

an imperfection in a bodily system

Definition source: Princeton WordNet 3.0

Examples

  • visual defects
  • this device permits detection of defects in the lungs

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: imperfection, imperfectness

Narrower terms: myelatelia, birth defect, congenital anomaly, congenital defect, congenital disorder, congenital abnormality

11

noun

Meaning 11

an imperfection in an object or machine

Definition source: Princeton WordNet 3.0

Examples

  • a flaw caused the crystal to shatter
  • if there are any defects you should send it back to the manufacturer

Meaning relationships

Synonyms: fault, flaw

Antonyms: none provided

Broader terms: imperfection, imperfectness

Narrower terms: blister, bug, glitch, hole

12

verb

Meaning 12

desert (a cause, a country or an army), often in order to join the opposing cause, country, or army

Definition source: Princeton WordNet 3.0

Examples

  • If soldiers deserted Hitler's army, they were shot

Meaning relationships

Synonyms: desert

Antonyms: none provided

Broader terms: flee, fly, take flight

Narrower terms: rat

History

Etymology

Etymology tree Proto-Indo-European *de Proto-Indo-European *-h1 Proto-Indo-European *déh1 Proto-Italic *dē Latin dē Latin de- Proto-Indo-European *dheh1- Proto-Indo-European *dheh1k- Proto-Indo-European *-yéti Proto-Indo-European *dhh1kyéti Proto-Italic *θakjō Proto-Italic *fakjō Latin facio Latin dēficiō Proto-Indo-European *-tus Proto-Italic *-tus Latin -tus Latin dēfectusbor. English defect Borrowed from Latin defectus (“a failure, lack”), from deficere (“to fail, lack, literally 'undo'”), from past participle defectus, from de- (“of, from”) + facere (“to do”).

Across languages

Translations

170 source translations are retained for this English entry.

  • Arabic: خَلَل (ḵalal) — fault or malfunction
  • Arabic: عَيْب (ʕayb) — fault or malfunction
  • Arabic: عَوَار (ʕawār) — fault or malfunction
  • Armenian: արատ (arat) — fault or malfunction
  • Assamese: খুঁত (khũt) — fault or malfunction
  • Azerbaijani: qüsur — fault or malfunction
  • Azerbaijani: nöqsan — fault or malfunction
  • Azerbaijani: naqislik — fault or malfunction
  • Azerbaijani: kəsir — fault or malfunction
  • Belarusian: дэфе́кт (defjékt) — fault or malfunction
  • Belarusian: га́на (hána) — fault or malfunction
  • Central Bikol: kakundian — fault or malfunction
  • Bulgarian: недоста́тък (nedostátǎk) — fault or malfunction
  • Bulgarian: повре́да (povréda) — fault or malfunction
  • Bulgarian: дефе́кт (defékt) — fault or malfunction
  • Catalan: defecte — fault or malfunction
  • Chichewa: bala — fault or malfunction
  • Chinese Mandarin: 缺點 /缺点 (quēdiǎn) — fault or malfunction
  • Chinese Mandarin: 問題 /问题 (wèntí) — fault or malfunction
  • Chinese Mandarin: 缺陷 (quēxiàn) — fault or malfunction
  • Chinese Mandarin: 弱點 /弱点 (ruòdiǎn) — fault or malfunction
  • Chinese Mandarin: 毛病 (máobing, máobìng) — fault or malfunction
  • Czech: závada — fault or malfunction
  • Czech: porucha — fault or malfunction
  • Czech: vada — fault or malfunction
  • Czech: defekt — fault or malfunction
  • Dutch: gebrek — fault or malfunction
  • Dutch: mankement — fault or malfunction
  • Estonian: viga — fault or malfunction
  • Estonian: defekt — fault or malfunction
  • Finnish: vika — fault or malfunction
  • French: défaut — fault or malfunction
  • German: Fehler — fault or malfunction
  • German: Defekt — fault or malfunction
  • Greek: ελάττωμα (eláttoma) — fault or malfunction
  • Ancient Greek: ἐλάττωμα (eláttōma) — fault or malfunction
  • Hebrew: פגם (pgam) — fault or malfunction
  • Hindi: दोष (doṣ) — fault or malfunction
  • Hindi: खोट (khoṭ) — fault or malfunction
  • Hungarian: hiányosság — fault or malfunction
  • Hungarian: rendellenesség — fault or malfunction
  • Hungarian: fogyatékosság — fault or malfunction
  • Hungarian: hiány — fault or malfunction
  • Hungarian: hiba — fault or malfunction
  • Indonesian: cacat — fault or malfunction
  • Ingrian: defekta — fault or malfunction
  • Italian: difetto — fault or malfunction
  • Japanese: 欠陥 (kekkan) — fault or malfunction
  • Japanese: 欠点 (ketten) — fault or malfunction
  • Kazakh: ақау (aqau) — fault or malfunction
  • Korean: 결함 (gyeolham) — fault or malfunction
  • Latin: vitium — fault or malfunction
  • Latin: menda — fault or malfunction
  • Macedonian: дефект (defekt) — fault or malfunction
  • Māori: tōrōkiri — fault or malfunction
  • Persian: عیب ('eyb) — fault or malfunction
  • Persian: عوار ('avâr) — fault or malfunction
  • Persian: نقص (naqs) — fault or malfunction
  • Polish: wada — fault or malfunction
  • Polish: defekt — fault or malfunction
  • Polish: usterka — fault or malfunction
  • Portuguese: defeito — fault or malfunction
  • Russian: недоста́ток (nedostátok) — fault or malfunction
  • Russian: дефе́кт (defékt) — fault or malfunction
  • Russian: изъя́н (izʺján) — fault or malfunction
  • Russian: брак (brak) — fault or malfunction
  • Sanskrit: रपस् (rapas) — fault or malfunction
  • Scottish Gaelic: cron — fault or malfunction
  • Serbo-Croatian: defekt — fault or malfunction
  • Serbo-Croatian: недостатак — fault or malfunction
  • Serbo-Croatian: nedostatak — fault or malfunction
  • Sikkimese: སྐྱོན (skyon) — fault or malfunction
  • Slovak: vada — fault or malfunction
  • Slovak: porucha — fault or malfunction
  • Slovak: defekt — fault or malfunction
  • Slovene: okvara — fault or malfunction
  • Slovene: napaka — fault or malfunction
  • Spanish: falla — fault or malfunction
  • Spanish: tacha — fault or malfunction
  • Spanish: defecto — fault or malfunction
  • Spanish: desperfecto — fault or malfunction
  • Swahili: kasoro — fault or malfunction
  • Telugu: లోపం (lōpaṁ) — fault or malfunction
  • Thai: ข้อบกพร่อง (bòk-prông) — fault or malfunction
  • Turkish: eksik — fault or malfunction
  • Turkish: kusur — fault or malfunction
  • Turkish: hata — fault or malfunction
  • Ottoman Turkish: ردت (reddet) — fault or malfunction
  • Ukrainian: ґандж (gandž) — fault or malfunction
  • Ukrainian: ва́да (váda) — fault or malfunction
  • Ukrainian: дефе́кт (defékt) — fault or malfunction
  • Ukrainian: хи́ба (xýba) — fault or malfunction
  • Uzbek: nuqson — fault or malfunction
  • Vietnamese: tật — fault or malfunction
  • Vietnamese: lỗi — fault or malfunction
  • Yiddish: חסרון (khisorn) — fault or malfunction
  • Esperanto: manko — amount by which a thing falls short
  • Bulgarian: дезерти́рам (dezertíram) — to abandon; to change one's loyalty
  • Chinese Mandarin: 變節 /变节 (biànjié) — to abandon; to change one's loyalty
  • Chinese Mandarin: 叛變 /叛变 (pànbiàn) — to abandon; to change one's loyalty
  • Dutch: overlopen — to abandon; to change one's loyalty
  • Dutch: deserteren — to abandon; to change one's loyalty
  • Esperanto: ribeli — to abandon; to change one's loyalty
  • Finnish: loikata — to abandon; to change one's loyalty
  • French: déserter — to abandon; to change one's loyalty
  • French: passer à — to abandon; to change one's loyalty
  • Georgian: განდგომა (gandgoma) — to abandon; to change one's loyalty
  • German: überlaufen — to abandon; to change one's loyalty
  • German: sich zurückziehen — to abandon; to change one's loyalty
  • German: aussteigen — to abandon; to change one's loyalty
  • German: desertieren — to abandon; to change one's loyalty
  • Greek: αυτομολώ (aftomoló) — to abandon; to change one's loyalty
  • Greek: αποσκιρτώ (aposkirtó) — to abandon; to change one's loyalty
  • Hebrew: ערק ('aráq) — to abandon; to change one's loyalty
  • Hungarian: elszakad — to abandon; to change one's loyalty
  • Hungarian: cserbenhagy — to abandon; to change one's loyalty
  • Hungarian: otthagy — to abandon; to change one's loyalty
  • Hungarian: elhagy — to abandon; to change one's loyalty
  • Indonesian: membelot — to abandon; to change one's loyalty
  • Italian: defezionare — to abandon; to change one's loyalty
  • Japanese: 変節する (hensetsu suru) — to abandon; to change one's loyalty
  • Korean: 변절하다 (byeonjeolhada) — to abandon; to change one's loyalty
  • Latin: dēscīscō — to abandon; to change one's loyalty
  • Māori: whakarere — to abandon; to change one's loyalty
  • Portuguese: trair — to abandon; to change one's loyalty
  • Portuguese: desertar — to abandon; to change one's loyalty
  • Russian: изменя́ть (izmenjátʹ) — to abandon; to change one's loyalty
  • Russian: дезерти́ровать (dezertírovatʹ) — to abandon; to change one's loyalty
  • Serbo-Croatian: пребјећи — to abandon; to change one's loyalty
  • Serbo-Croatian: prebjeći — to abandon; to change one's loyalty
  • Spanish: desertar — to abandon; to change one's loyalty
  • Spanish: pasarse — to abandon; to change one's loyalty
  • Dutch: deserteren — to desert; to flee combat
  • Finnish: karata rintamalta — to desert; to flee combat
  • Finnish: karata — to desert; to flee combat
  • Georgian: დეზერტირობა (dezerṭiroba) — to desert; to flee combat
  • German: desertieren — to desert; to flee combat
  • Hungarian: dezertál — to desert; to flee combat
  • Hungarian: megszökik — to desert; to flee combat
  • Italian: disertare — to desert; to flee combat
  • Japanese: 脱走する (dassō suru) — to desert; to flee combat
  • Russian: дезерти́ровать (dezertírovatʹ) — to desert; to flee combat
  • Serbo-Croatian: dezertirati — to desert; to flee combat
  • Slovene: dezertirati — to desert; to flee combat
  • Chinese Mandarin: 投敵 /投敌 (toúdí) — to join the enemy
  • Dutch: overlopen — to join the enemy
  • Esperanto: transfuĝi — to join the enemy
  • Finnish: loikata — to join the enemy
  • German: überlaufen — to join the enemy
  • Hungarian: átáll — to join the enemy
  • Hungarian: átpártol — to join the enemy
  • Japanese: 寝返る (negaeru) — to join the enemy
  • Latin: transfugiō — to join the enemy
  • Polish: dezerterować — to join the enemy
  • Polish: zdezerterować — to join the enemy
  • Russian: переходи́ть на сто́рону проти́вника (perexodítʹ na stóronu protívnika) — to join the enemy
  • Serbo-Croatian: prebeći — to join the enemy
  • Serbo-Croatian: prebjeći — to join the enemy
  • Slovene: prebegniti — to join the enemy
  • Dutch: asiel aanvragen — to flee one's country and seek asylum
  • Dutch: overlopen — to flee one's country and seek asylum
  • Finnish: loikata — to flee one's country and seek asylum
  • Finnish: paeta — to flee one's country and seek asylum
  • Hungarian: elszökik — to flee one's country and seek asylum
  • Hungarian: disszidál — to flee one's country and seek asylum
  • Indonesian: membelot — to flee one's country and seek asylum
  • Japanese: 亡命する (bōmei suru) — to flee one's country and seek asylum
  • Serbo-Croatian: izbeći — to flee one's country and seek asylum
  • Serbo-Croatian: izbjeći — to flee one's country and seek asylum
  • Slovene: prebegniti — to flee one's country and seek asylum
Real reading context

defect in complete knowledge articles