poisonous

adjective

Stress: first syllable

Syllables: poi-son-ous (3)
English Definition

Capable of causing illness or death on entering the body

Example Sentence

Some wild mushrooms are extremely poisonous.

US IPA /ˈpɔɪzənəs/
UK IPA /ˈpɔɪzənəs/

Synonyms

toxic venomous deadly harmful lethal

Antonyms

harmless non-toxic healthy