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

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

The special bond between Supergirl and her scruffy animal sidekick becomes a key plot point in Kara’s new solo movie, where Krypto is poisoned by space outlaw Krem of the Yellow Hills (Matthias Schoenaerts). — Josh Weiss, Forbes.com, 29 June 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

If a pet is poisoned by a cane toad, there are some warning signs. — Amaia Gavica, Miami Herald, 23 June 2026

Last year, harmful algae blooming off Southern California poisoned hundreds of dolphins and sea lions off Santa Barbara, Ventura, Los Angeles, Orange and San Diego counties, causing strandings along popular beaches. — Paul Rogers, Mercury News, 15 June 2026

The incident saw former Russian military officer and British intelligence services double agent Sergei Skripal and his daughter Yulia poisoned in Salisbury, England. — Jesse Whittock, Deadline, 10 June 2026