Synonyms for poisonous
- adjective
All synonyms
Adjective
1. Toxic — containing sufficient poison to be dangerous to touch or ingest
toxic, venomous, noxious, poisoned, lethal, destructive, pernicious, virulent, pestilential, noisome formal, deleterious, malignant, malicious, contagious, mortal, mephitic, pestiferous, harmful, injurious, damaging, unwholesome, malevolent
Other
Definitions
- adj. 1
Containing sufficient poison to be dangerous to touch or ingest.
While highly poisonous to dogs, this substance is completely harmless if ingested by humans.
Related words
- Word family
- poisonously poisonousness
- Phrases
- poisonous compliment
Example sentences
- toxic Sami and Layla's toxic relationship needed to end.
- poisoned We believe it was possible that Tom poisoned Mary.
- venomous You need to hold this venomous fish from underneath.
- noxious The old warehouse is no longer storing any noxious chemicals.
Popularity over time
| Word | 1850 → 2019 | Trend |
|---|---|---|
| poisonous | steady | |
| toxic | steady | |
| poisoned | rising | |
| venomous | rising | |
| noxious | steady | |
| corruptive | rising |
Use in printed books, per decade from 1850 to 2019.
By length
- 5 letters
- toxic2
- 6 letters
- lethal2, mortal2
- 7 letters
- harmful2, vicious2, noxious2, noisome
- 8 letters
- damaging3, poisoned2, venomous3, virulent3, toxicant, mephitic
- 9 letters
- malicious3, malignant3, injurious4
- 10 letters
- contagious3, pernicious3, malevolent4, corruptive3
- 11 letters
- destructive3, deleterious5, unwholesome, pestiferous
- 12 letters
- pestilential
The small number after each word is its number of syllables (toxic2 = 2 syllables).
In other languages
- Français
- vénéneux