Synonyms of poisons

poisons 1 of 2

noun

plural of poison

as in diseases

a substance that by chemical action can kill or injure a living thing

the only way to get rid of rats is to leave out poison

Synonyms & Similar Words

• diseases
• toxics
• venoms
• toxins
• pesticides
• viruses
• toxicants
• banes
• insecticides
• herbicides
• cancers
• contagions
• fungicides
• germicides
• microbicides

Antonyms & Near Antonyms

• antidotes
• cures
• antivenoms
• antivenins
• elixirs
• panaceas
• mithridates
• cure-alls

poisons

2 of 2

verb

present tense third-person singular of poison

1

as in taints

to affect slightly with something morally bad or undesirable

poisoning the minds of impressionable children with ethnic hatred

Synonyms & Similar Words

• taints
• spoils
• stains
• mars
• darkens
• touches
• vitiates
• tarnishes
• corrupts
• pollutes
• degrades
• discredits
• smears
• lowers
• distorts
• blackens
• soils
• blemishes
• tars
• blurs
• discolors
• disgraces
• dirties
• sullies
• smudges
• shames
• perverts
• clouds
• debases
• dishonors
• debauches
• besmirches
• sinks
• abases
• subverts
• demeans
• besmears
• depraves
• colors
• cheapens
• twists
• demoralizes
• fouls
• smirches
• smuts
• begrimes
• bastardizes

Antonyms & Near Antonyms

• purifies
• cleanses
• elevates
• magnifies
• ennobles
• glorifies
• uplifts
• enshrines
• dignifies
• hallows

2

as in pollutes

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

exhaust fumes poisoning the air

Synonyms & Similar Words

• pollutes
• contaminates
• taints
• defiles
• infects
• befouls
• stains
• fouls
• soils
• dirties
• sullies
• dilutes
• besmirches
• smudges
• adulterates
• corrupts
• rots
• blackens
• muddies
• fouls up
• mires
• spoils
• doctors
• begrimes
• waters down
• grimes
• smirches

Antonyms & Near Antonyms

• purifies
• cleans
• cleanses
• clarifies
• purges
• clears
• filters
• distills
• decontaminates
• sterilizes
• disinfects
• sanitizes

3

as in corrupts

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

• corrupts
• degrades
• weakens
• destroys
• deteriorates
• prostitutes
• subverts
• debauches
• damages
• dilutes
• perverts
• humiliates
• depraves
• debases
• pollutes
• contaminates
• vitiates
• demeans
• taints
• abases
• disgraces
• ruins
• lessens
• cankers
• profanes
• warps
• harms
• demoralizes
• bastardizes
• mars
• cheapens
• hurts
• shames
• thins
• humbles
• wrecks
• impairs
• dirties
• flaws
• defiles
• spoils
• waters down
• stains
• dishonors
• tarnishes
• befouls
• descends
• begrimes
• defaces
• takes down
• downgrades
• depreciates
• blemishes

Antonyms & Near Antonyms

• ennobles
• improves
• uplifts
• elevates
• enhances
• exalts
• honors
• enriches
• dignifies
• perfects
• amends
• purifies
• cleanses
• cleans
• ameliorates
• restores
• betters
• refines
• clarifies
• respects
• meliorates

4

as in turns

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

• turns
• prejudices
• biases
• persuades
• convinces
• influences
• disposes
• predisposes
• inclines
• suggests
• prepossesses

Example Sentences

Recent Examples of poisons

Noun

Jackie also received treatment for rodenticide toxicity, which occurs when humans or non-target animals ingest rat or mouse poisons. — Saman Shafiq, USA Today, 30 July 2026

Kara’s after Krem, too, after the space pirate poisons Krypto the Superdog and has the antidote to save him. — Tim Lammers, Forbes.com, 27 June 2026

On their first encounter, Krem poisons Krypto, Kara's super-dog, leaving her with only three days to retrieve the antidote. — Nick Romano, Entertainment Weekly, 24 June 2026

Anyone concered about a wild rat infestation should contact a professional exterminator or vector-control agency, since commercial poisons can still allow for the spread of the disease. — Jason Green, Mercury News, 11 June 2026

At least five toxins were detected in his body, including deadly poisons such as mercury and tetrodotoxin, according to reports from Chinese media. — Sylvie Zhuang, CNN Money, 28 May 2026

Many gardeners and homeowners prefer not to use poisons to get rid of ants, leading them to consider more natural remedies. — Kristine Gill, Better Homes & Gardens, 18 May 2026

People shouldn’t use poisons, which could hurt other wildlife, pets and kids. — Becca Savransky, Idaho Statesman, 11 May 2026

Don’t use poisons, traps, or deterrents that could cause harm. — Michelle Mastro, Martha Stewart, 28 Apr. 2026

Verb

Despite her initial disinterest, Kara develops a personal stake when Krem of the Yellow Hills (Matthias Schoenaerts), the one who killed Ruthye's parents and brother, poisons her dog Krypto. — Nick Romano, Entertainment Weekly, 25 June 2026

In the film, Cady also poisons the family dog, Benjamin. — Bryan Alexander, USA Today, 12 June 2026

The bait poisons the entire colony, including the queen, so no new ants can be produced. — Mary Marlowe Leverette, The Spruce, 9 June 2026

Meanwhile, the unceasing churn of clothing, footwear and accessories depletes soils, poisons the water, pollutes the air, drives deforestation, accelerates biodiversity loss and generates runaway planet-warming emissions that undermine brands’ lofty environmental ambitions. — Jasmin Malik Chua, Footwear News, 1 May 2026

Sensing Scarlet’s resolve to destroy him, Claudius poisons her. — Carlos Aguilar, Los Angeles Times, 6 Feb. 2026

And two, baking soda is an indiscriminate weed killer that poisons the soil. — Brandee Gruener, Southern Living, 16 May 2025