Synonyms of poisoned

poisoned 1 of 2

adjective

as in poisonous

containing or contaminated with a substance capable of injuring or killing a living thing

leaving poisoned food to try to kill the roaches

Synonyms & Similar Words

• poisonous
• poison
• toxic
• venomous
• harmful
• envenomed
• infective
• infectious
• malignant
• injurious
• pathogenic
• pestilential
• lethal
• virulent
• deleterious
• baneful
• contagious
• fatal
• noxious
• unhealthful
• hurtful
• deadly
• nocuous
• unwholesome
• unhealthy
• pestilent
• fell
• calamitous
• murderous

Antonyms & Near Antonyms

• nontoxic
• beneficial
• healthy
• helpful
• healthful
• curative
• wholesome
• harmless
• remedial
• nonpoisonous
• palliative
• salubrious
• salutary
• benign
• innocuous
• inoffensive
• nonvenomous
• nonfatal
• nonlethal

poisoned

2 of 2

verb

past tense of poison

1

as in tainted

to affect slightly with something morally bad or undesirable

poisoning the minds of impressionable children with ethnic hatred

Synonyms & Similar Words

• tainted
• spoiled
• marred
• stained
• darkened
• touched
• tarnished
• vitiated
• degraded
• polluted
• discredited
• smeared
• distorted
• corrupted
• lowered
• blackened
• blemished
• blurred
• soiled
• sullied
• clouded
• disgraced
• discolored
• smudged
• dishonored
• tarred
• perverted
• shamed
• debased
• besmirched
• dirtied
• subverted
• twisted
• sank
• besmeared
• fouled
• demeaned
• colored
• smutted
• smirched
• depraved
• debauched
• begrimed
• cheapened
• demoralized
• abased
• bastardized

Antonyms & Near Antonyms

• purified
• cleansed
• elevated
• magnified
• uplifted
• dignified
• enshrined
• glorified
• ennobled
• hallowed

2

as in polluted

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

exhaust fumes poisoning the air

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

3

as in degraded

to lower in character, dignity, or quality

this party partisanship poisons the national debate we should be having about this urgent problem

Synonyms & Similar Words

• degraded
• corrupted
• weakened
• deteriorated
• diluted
• humiliated
• destroyed
• subverted
• damaged
• perverted
• tainted
• ruined
• contaminated
• depraved
• polluted
• debased
• cankered
• disgraced
• demeaned
• vitiated
• debauched
• prostituted
• marred
• warped
• lessened
• bastardized
• demoralized
• profaned
• harmed
• cheapened
• hurt
• thinned
• shamed
• wrecked
• impaired
• abased
• humbled
• spoiled
• defiled
• watered down
• dishonored
• stained
• dirtied
• tarnished
• flawed
• befouled
• begrimed
• descended
• defaced
• took down
• downgraded
• depreciated
• blemished

Antonyms & Near Antonyms

• elevated
• uplifted
• improved
• honored
• enriched
• exalted
• amended
• ennobled
• enhanced
• dignified
• purified
• perfected
• cleaned
• refined
• restored
• ameliorated
• cleansed
• bettered
• clarified
• respected
• meliorated

4

as in turned

to cause to have often negative opinions formed without sufficient knowledge

malicious rumors had poisoned many church members against the new pastor

Synonyms & Similar Words

• turned
• convinced
• persuaded
• prejudiced
• biased
• influenced
• disposed
• inclined
• predisposed
• suggested
• prepossessed

Example Sentences

Recent Examples of poisoned

Verb

Attackers are also targeting AI solutions themselves with prompt injection attacks, poisoned datasets and other increasingly advanced tactics. — Peter Garraghan, Forbes.com, 20 July 2026

Later, when Saeng-gang and her mother leave the palace to hide Saeng-gang’s spirit-hearing abilities, the mother is poisoned by treats sent from the palace. — Kayti Burt, Time, 17 July 2026

But is there any guarantee that Francesco was not also poisoned? — Jacopo Prisco, CNN Money, 15 July 2026

Michael seemed to be saying that by admitting her dishonesty, Ethel would have ruined their childhood and poisoned any prospect of a future relationship with her. — Amy Weiss-Meyer, The Atlantic, 10 July 2026

Bowles told jurors Millete was angry at May over her yearlong affair with another man and likely poisoned her with the toxic plant hemlock. — Alex Riggins, San Diego Union-Tribune, 9 July 2026

Many of her victims were poisoned and buried around the boarding house, with Puente cashing their social security checks. — Selome Hailu, Variety, 7 July 2026

Kara Zor-El (Alcock) goes on a planet-hopping mission to save her beloved Krypto – with young and vengeful girl Ruthye (Eve Ridley) in tow – after he’s poisoned by the villainous Krem of the Yellow Hills (Matthias Schoenaerts). — Brian Truitt, USA Today, 27 June 2026

Toph escapes the clutches of her mother — who poisoned and kidnapped her — by revealing her earthbending powers, breaking out of the metal cage to rejoin Team Avatar. — Skyler Trepel, PEOPLE, 26 June 2026