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Definitions

venomous

[ven-uh-muhs] / ˈvɛn ə məs /
ADJECTIVE
poisonous; hateful
Synonyms
STRONGEST
destructive malicious noxious rancorous spiteful vicious virulent
WEAK
accidentally on purpose antagonistic baleful baneful catty cussed deadly dirty evil hostile lethal malefic malevolent malign malignant mean mephitic ornery savage toxic toxicant vindictive viperish viperous waspish
Antonyms
STRONGEST
friendly gentle good healthy helpful kind nice
WEAK
praising unpoisonous

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They are also the only venomous primates in the world, using specialized teeth to deliver a toxic bite.

From Science Daily • Mar. 3, 2026

He also told a story about a man who was bit by a venomous snake in Peru and marveled at the crowd’s lack of interest.

From Salon • Dec. 14, 2025

Facing his first ball, Carey gloved a venomous lifter from Brydon Carse.

From BBC • Dec. 5, 2025

A venomous Mitchell Starc struck three times during an intimidating opening spell to leave England in trouble on day one of the first Ashes Test against Australia on Friday in Perth.

From Barron's • Nov. 21, 2025

“The realm will curse us all for this,” declared Ser Alliser Thome in a venomous tone.

From "A Dance with Dragons" by George R. R. Martin