Poisonous
Poisonous adjective - Containing or contaminated with a substance capable of injuring or killing a living thing.
Pernicious is a synonym for poisonous in evil topic. In some cases you can use "Pernicious" instead an adjective "Poisonous", when it comes to topics like unhealthy, malicious, harmful. popular alternative
Pernicious
Pernicious adjective - Causing or capable of causing harm.
Usage example: the pernicious effects of illegal narcotics on society
Poisonous is a synonym for pernicious in bad topic. You can use "Poisonous" instead an adjective "Pernicious", if it concerns topics such as wicked, unhealthy, harmful. popular alternative
Nearby Word: perniciously
Mutual synonyms
Related pairs
- baleful and poisonous
- baleful and pernicious
- baneful and poisonous
- baneful and pernicious
- dangerous and poisonous
- dangerous and pernicious
- evil and poisonous
- evil and pernicious
- vicious and poisonous
- vicious and pernicious
- noxious and poisonous
- noxious and pernicious
- hurtful and poisonous
- hurtful and pernicious
Cite this Source
Pernicious and Poisonous. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/poisonous/pernicious
Poisonous & Pernicious. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/poisonous/pernicious>.
Pernicious or Poisonous. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/poisonous/pernicious.
Google Ngram Viewer shows how "poisonous" and "pernicious" have occurred on timeline