Synonyms of venomous

venomous

adjective

ˈve-nə-məs 

as in poisonous

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

a venomous arrow

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

Example Sentences

Recent Examples of venomous

How to identify venomous snakes The rattlesnake is the only native venomous snake in California, according to the University of California’s Statewide Integrated Pest Management Program. — Veronica Fernandez-Alvarado updated August 5, Sacbee.com, 5 Aug. 2026

While venomous snakes dominated the findings, other unexpected animals made the cut, including bull sharks in Maryland and Virginia, coyotes in several states and whitetail deer in Ohio, Pennsylvania and West Virginia. — Michelle Del Rey, USA Today, 4 Aug. 2026

Beyond reptiles, several states face risks from insects and other venomous creatures. — Bonny Chu, FOXNews.com, 3 Aug. 2026

The inventory also listed an inland taipan, which is considered one of the most venomous snakes on Earth. — Moná Thomas, PEOPLE, 3 Aug. 2026