Synonyms of contaminated

contaminated 1 of 2

adjective

kən-ˈta-mə-ˌnā-təd 

as in polluted

containing foreign or lower-grade substances

the hospitals had no choice but to throw out the contaminated blood supply

Synonyms & Similar Words

• polluted
• thinned
• diluted
• dilute
• tainted
• adulterated
• mixed
• blended
• impure
• alloyed
• weakened
• soiled
• combined
• corrupted
• spoiled
• unfiltered
• compounded
• adulterate
• fouled
• dirtied
• debased
• defiled
• incorporated
• unclarified
• commingled
• begrimed
• merged
• intermingled
• sullied
• mingled
• intermixed
• befouled
• unrefined
• besmirched
• maculate
• bemired
• coalesced
• doctored
• cheapened

Antonyms & Near Antonyms

• uncontaminated
• pure
• fine
• unpolluted
• undiluted
• untainted
• unmixed
• uncut
• unadulterated
• purified
• refined
• unalloyed
• filtered
• plain
• concentrated
• straight
• neat
• strong
• ultrapure
• sterile
• uncombined
• pasteurized
• clean
• clarified
• sterilized
• ultrarefined
• stainless
• spotless
• immaculate
• unsullied
• unsoiled

contaminated

2 of 2

verb

past tense of contaminate

as in poisoned

to make unfit for use by the addition of something harmful or undesirable

a supply of drinking water that was contaminated by a toxic waste dump

Synonyms & Similar Words

• polluted
• poisoned
• tainted
• infected
• defiled
• fouled
• befouled
• stained
• soiled
• diluted
• sullied
• adulterated
• smudged
• dirtied
• blackened
• corrupted
• rotted
• mired
• muddied
• besmirched
• begrimed
• spoiled
• grimed
• watered down
• smirched
• fouled up
• doctored

Antonyms & Near Antonyms

• purified
• cleaned
• distilled
• cleared
• cleansed
• decontaminated
• purged
• filtered
• clarified
• sterilized
• disinfected
• sanitized

Example Sentences

Recent Examples of contaminated

Adjective

The arbitrator also concluded that neither the ITIA nor the WTA Tour had a duty to warn players about contaminated meat. — Michael McCann, Sportico.com, 23 Sep. 2026

Raw chicken juice cross-contaminated onto raw squid when an employee stacked a container of raw chicken on top of the squid container. — Sacbee.com, 18 Sep. 2026

Verb

Vibrio, a bacteria found in salt and brackish water, is contracted when wounds are exposed to water containing the bacteria or a person eats contaminated raw or undercooked shellfish. — Eva Flowe october 21, Charlotte Observer, 21 Oct. 2026

Food can also become contaminated when handlers fail to wash their hands or properly clean food preparation surfaces and equipment, according to the FDA. — Sacbee.com, 21 Oct. 2026