Definition and meaning of English word "pernicious"
pernicious
/pərˈnɪʃ.əs/
Meaning
AdjectiveHaving a harmful effect, especially in a gradual or subtle way.
🇬🇧 English
pernicious
Example
Fake news can exert a pernicious influence on democratic elections.
Fake news can exert a pernicious influence on democratic elections.
Your personal vocabulary
🦊 Use this word in a live AI conversationFrequency rank: #1566 in English
Learn them all! 🚀
Master the 1000 most common English words with smart explanations, audio pronunciation, and spaced repetition.
Start Learning For Free →No sign-up required
Frequently Asked Questions
What does the English word "pernicious" mean?▼
The English word "pernicious" means "pernicious" in English.
How do you pronounce the English word "pernicious"?▼
You can hear the correct audio pronunciation of the word "pernicious" by clicking the play button next to the word at the top of this page.
Can I see an example sentence with "pernicious"?▼
Yes, here is a practical example: "Fake news can exert a pernicious influence on democratic elections." (which translates as "Fake news can exert a pernicious influence on democratic elections.").
More Abstract Concepts words
Related reading
Duolingo vs Anki vs Apps: Comparing Language Learning Methods in 2026
An honest comparison of popular language learning approaches: gamified apps, SRS flashcards, textbooks, tutors, and immersion. Pros, cons, and who each is best for.
Read →MethodWhat Is Spaced Repetition? The SM-2 Algorithm Explained Simply
Spaced repetition is the single most effective method for memorizing vocabulary. Learn how the forgetting curve works, how the SM-2 algorithm calculates review intervals, and why 20 minutes a day beats 2 hours of cramming.
Read →