Dictionary
poisonous
adjective poi·son·ous \ˈpȯiz-nəs, ˈpȯi-zən-əs\
: causing sickness or death by entering or touching the body : containing poison
: capable of putting poison into another animal's body by biting it
: very harmful or unpleasant
Full Definition of POISONOUS
1
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First Known Use of POISONOUS
1565
Related to POISONOUS
- Antonyms
- nonpoisonous, nontoxic, nonvenomous
POISONOUS Defined for Kids
poisonous
adjective poi·son·ous \ˈpȯi-zən-əs\
Definition of POISONOUS for Kids
: containing poison : having or causing an effect of poison <poisonous mushrooms>
Medical Dictionary
poisonous
adjective poi·son·ous \ˈpȯiz-nəs, -ən-əs\
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