poisonous

pronunciation

How to pronounce poisonous in British English: UK [ˈpɔɪzənəs]word uk audio image

How to pronounce poisonous in American English: US [ˈpɔɪzənəs] word us audio image

  • Adjective:
    having the qualities or effects of a poison
    not safe to eat
    marked by deep ill will; deliberately harmful

Word Origin

poisonous (adj.)
1570s, from poison (n.) + -ous. Failed 16c. rivals were poisonsome, poisonful, poisony. Earlier poisoned was used (late 15c.). Related: Poisonously; poisonousness.

Synonym

Example

1. Other poisonous and harmful materials or elements set by nation .
2. This poisonous combination could fuel instability rather than assuage it .
3. He frets as his children breathe in poisonous smoke from an overfilled rubbish dump nearby .
4. Scientists have long speculated that 's because so many poisonous plants are bitter .
5. Providing that safe tolerances be set for unavoidable poisonous substances .

more: >How to Use "poisonous" with Example Sentences