poisonous

Meaning

1. Containing sufficient poison to be dangerous to touch or ingest.
2. Of an animal such as a snake or spider, or parts of its body: producing a toxin intended for defensive or offensive use which is usually injected into an enemy or prey by biting or stinging; hence, of a bite or sting: injecting poison.
3. (figuratively) Negative, harmful.

Opposite of

nonpoisonous, unpoisonous

Synonyms

venomous

toxic

poison

virulent

noxious

deadly

toxicant

vicious

harmful

snake

🐍

dangerous

irritating

pestilent

bitter

ferocious

foul

henbane

hideous

loath

loathsome

long

lousy

malicious

miasmic

nasty

nauseous

nocuous

noisome

obnoxious

odious

onion

🧅

pestilential

piggish

polluting

repellent

repugnant

repulsive

revolting

sordid

striped

touchy

venemous

vile

violent

viperous

vitriolic

wretched

death

💀

having poison

empoisoned

Translations

giftig

velenoso

venenoso

vénéneux

venenoso

giftig

venimeux

toxique

δηλητηριώδης

tóxico

verinós

vergiftig

tóxico

Pronounced as (IPA)

/ˈpɔɪzənəs/

Etymology

Inherited from Middle English: poisounous

In summary

From Middle English poisounous, poysonouse. By surface analysis, poison + -ous.