Standard Lemma guide

contaminate

adj · verb · 8 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.

  • Received-Pronunciation: /kənˈtæmɪneɪt/
  • Canada, General-American: /kənˈtæmɪneɪt/
  • Canada, General-American: [kənˈtɛəm.ɪ.neɪt] /æ/ raising
  • California: Recorded audio is listed in the source snapshot.
  • New-Jersey: Recorded audio is listed in the source snapshot.
  • Australian: /kənˈtæmɪnæɪt/
  • New-Zealand: /kənˈtɛmənæɪt/
  • CMU ARPABET: K AH0 N T AE1 M AH0 N EY2 T Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Contaminated.

Definition source: English Wiktionary via Wiktextract

Usage: obsolete

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Dirty, sinful, wicked, gross, etc.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively, obsolete

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

To make something dangerous or toxic by introducing impurities or foreign matter.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Examples

  • This water is contaminated. It isn't safe to drink.

Meaning relationships

Synonyms: poison, pollute, taint

Antonyms: none provided

4

verb

Meaning 4

To soil, stain, corrupt, or infect by contact or association.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: defile, pollute, sully, assoil, beclart, bedaub, bedirty, imbrue (especially with blood), bedizen, befile, befilth, befoul, begrime, beray, beshit, besmear, besmirch, besully, bewray, blacken, blot, blur, clat, contaminate, darken, dirten, dirty, elt, file, foil, foul, gunk, gunk up, inquinate, scunge, sling mud, slotter, slur, smear, smirch, smudge, smut, smutch, soil, soss, sowl, spot, stain, sullow, tarnish, uggle, adulterate, corrupt, debauch, demoralize, detort, immoralize, lead astray, pervert, preposterate, seduce, sophisticate, suborn, subvert, tamper, unmoralize, vitiate, warp

Antonyms: none provided

5

verb

Meaning 5

To make unfit for use by the introduction of unwholesome or undesirable elements.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Examples

  • Do not contaminate the peanut butter with the jelly.

Meaning relationships

Synonyms: mar, mess up, ruin, ball up, blight, bumble, botch, bugger up, bungle, contaminate, corrupt, crab, deprave, disrupt, disturb, foil, fuck up, jack up, mishandle, mommick, pollute, put a crimp in, queer, screw up, soil, sour, spoil, stain, undo, upset, turn upside down, upset the applecart, vitiate

Antonyms: none provided

6

verb

Meaning 6

To infect, usually of a deadly virus.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: disease, leper

Antonyms: none provided

7

verb

Meaning 7

make impure

Definition source: Princeton WordNet 3.0

Examples

  • The industrial wastes polluted the lake

Meaning relationships

Synonyms: pollute, foul

Antonyms: none provided

Broader terms: dirty, soil, begrime, grime, colly, bemire

Narrower terms: infect, taint

8

verb

Meaning 8

make radioactive by adding radioactive material

Definition source: Princeton WordNet 3.0

Examples

  • Don't drink the water--it's contaminated

Meaning relationships

Synonyms: none provided

Antonyms: decontaminate

Broader terms: change, alter, modify

History

Etymology

First attested in the early 15th century, in Middle English; from Middle English contaminat(e) (“sullied, defiled; infected with desease”, also used as the past participle of contaminaten), see -ate (adjective-forming suffix) and Etymology 1 for more. Participial usage up until Early Modern English.

First attested in the early 15th century, in Middle English; from Middle English contaminaten (“to defile; to infect with desease”), from contaminat(e) (“sullied, defiled; infected with desease”, also used as the past participle of contaminaten) + -en (verb-forming suffix), from Latin contāminātus, the perfect passive participle of contāminō (“to touch together, blend, mingle, corrupt, defile”) (see -ate (verb-forming suffix)), which see for further informations. More at taste, tax, and taxi.

Across languages

Translations

35 source translations are retained for this English entry.

  • Bulgarian: замърсявам (zamǎrsjavam) — To introduce impurities or foreign matter
  • Bulgarian: извършвам зловредно вмешателство (izvǎršvam zlovredno vmešatelstvo) — To introduce impurities or foreign matter
  • Catalan: contaminar — To introduce impurities or foreign matter
  • Cherokee: ᎧᏁᏌᏢᏍᎦ (kanesatlvsga) — To introduce impurities or foreign matter
  • Czech: znečistit — To introduce impurities or foreign matter
  • Czech: kontaminovat — To introduce impurities or foreign matter
  • Danish: forurene — To introduce impurities or foreign matter
  • Danish: kontaminere — To introduce impurities or foreign matter
  • Esperanto: kontaĝi — To introduce impurities or foreign matter
  • Finnish: saastuttaa — To introduce impurities or foreign matter
  • Finnish: pilata — To introduce impurities or foreign matter
  • French: contaminer — To introduce impurities or foreign matter
  • French: salir — To introduce impurities or foreign matter
  • Galician: contaminar — To introduce impurities or foreign matter
  • German: verunreinigen — To introduce impurities or foreign matter
  • German: verseuchen — To introduce impurities or foreign matter
  • German: kontaminieren — To introduce impurities or foreign matter
  • Ancient Greek: μιαίνω (miaínō) — To introduce impurities or foreign matter
  • Ancient Greek: μολύνω (molúnō) — To introduce impurities or foreign matter
  • Irish: truailligh — To introduce impurities or foreign matter
  • Italian: contaminare — To introduce impurities or foreign matter
  • Latin: contāminō — To introduce impurities or foreign matter
  • Lithuanian: užteršti — To introduce impurities or foreign matter
  • Māori: whakananu — To introduce impurities or foreign matter
  • Māori: whakaparu — To introduce impurities or foreign matter
  • Māori: tāhawahawa — To introduce impurities or foreign matter
  • Norwegian Bokmål: kontaminere — To introduce impurities or foreign matter
  • Polish: zatruwać — To introduce impurities or foreign matter
  • Polish: skazić — To introduce impurities or foreign matter
  • Portuguese: contaminar — To introduce impurities or foreign matter
  • Russian: загрязня́ть (zagrjaznjátʹ) — To introduce impurities or foreign matter
  • Russian: загрязни́ть (zagrjaznítʹ) — To introduce impurities or foreign matter
  • Scottish Gaelic: truaill — To introduce impurities or foreign matter
  • Swedish: kontaminera — To introduce impurities or foreign matter
  • Turkish: kirletmek — To introduce impurities or foreign matter