Synonyms of toxic

toxic 1 of 2

adjective

ˈtäk-sik 

as in poisonous

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

certain plants are toxic if eaten

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

toxic

2 of 2

noun

as in poison

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

tested for toxics in the water supply

Synonyms & Similar Words

• poison
• disease
• toxin
• venom
• pesticide
• virus
• toxicant
• bane
• contagion
• cancer
• herbicide
• insecticide
• fungicide
• germicide
• microbicide

Antonyms & Near Antonyms

• antidote
• antivenin
• cure
• antivenom
• panacea
• elixir
• mithridate
• cure-all

Examples of toxic in a Sentence

Recent Examples on the Web

Adjective

Testing by scientists in the United States and the Netherlands revealed that the greatest amounts of these toxic chemicals are in takeout sushi trays, spatulas, and beaded necklaces that kids may wear while playing dress-up. —Don Rauf, EverydayHealth.com, 3 Oct. 2024

The defense, of course, will argue that there’s no distinction: Either way, the man is toxic trash. —Tom Gliatto, People.com, 3 Oct. 2024

Noun

Blake is not an emasculated wimp; his confidence is complete, his suavity bordering on the toxic. —Owen Gleiberman, Variety, 9 Apr. 2024

The mold industry ignores all this and continues to call mold toxic. —Kelly G. Richardson, Orange County Register, 22 Mar. 2024