American Dictionary

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Definition poisonous in American English

poisonous adjective

adjective
/ˈpɔɪz(ə)nəs/
Example

poisonous gases/plants

Synonyms and related words
Example

a poisonous snake

2

causing a lot of damage or harm

Example

the poisonous spread of urban sprawl

Synonyms and related words
Example

a poisonous letter

Synonyms and related words
Definition poisonous in American English