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

Team representative Ruth Pintner has since told the Charlotte Observer in an email that the snake was not a copperhead but a non-venomous water snake. — Charlotte Observer, 22 June 2026

In regions where venomous snakes are common, Amarello recommends training your dog to avoid snakes. — Michelle Mastro, Martha Stewart, 21 June 2026

The German Football Association told PEOPLE that the snake Kimmich spotted near a creek ended up being a non-venomous water snake. — Bailey Richards, PEOPLE, 17 June 2026

But, Ricketts said, many people struggle identifying the difference — leading to unknowingly touching a venomous snake. — Sophie Lindberg, Kansas City Star, 10 June 2026