Fatal
Fatal adjective - Bringing about ruin or misfortune.
Usage example: I made the fatal mistake of sharing my secret with the office's biggest blabbermouth
Pernicious is a synonym for fatal in lethal topic. In some cases you can use "Pernicious" instead an adjective "Fatal", when it comes to topics like noxious, deadly, pestilential. popular alternative
Pernicious
Pernicious adjective - Causing or capable of causing harm.
Usage example: the pernicious effects of illegal narcotics on society
Fatal is a synonym for pernicious in bad topic. You can use "Fatal" instead an adjective "Pernicious", if it concerns topics such as noxious, wicked, lethal, harmful. popular alternative
Nearby Word: perniciously
Mutual synonyms
Related pairs
- mortal and fatal
- mortal and pernicious
- baleful and fatal
- baleful and pernicious
- baneful and fatal
- baneful and pernicious
- noxious and fatal
- noxious and pernicious
- disastrous and fatal
- disastrous and pernicious
- calamitous and fatal
- calamitous and pernicious
- injurious and fatal
- injurious and pernicious
Cite this Source
Pernicious and Fatal. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fatal/pernicious
Fatal & Pernicious. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fatal/pernicious>.
Pernicious or Fatal. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fatal/pernicious.
Google Ngram Viewer shows how "fatal" and "pernicious" have occurred on timeline