
Pernicious /pəˈnɪʃəs/ (adj.)
Meaning: having a harmful effect, especially one that develops gradually or is difficult to notice.
Example:
The spread of misinformation can have a pernicious effect on society.
Synonyms: detrimental, damaging, destructive, harmful
Opposite: beneficial, harmless, advantageous
🧠 Mini tip:
Pernicious is stronger than harmful and often describes damage that happens subtly over time.
👉 a pernicious influence = an influence that causes serious harm.
💬 “Small habits can have pernicious consequences if left unchecked.” ⚠








