Pernicious

hard

per-NISH-us

adjective

Definition

Having a harmful effect, especially in a gradual or subtle way

Examples

The pernicious effects of the policy became clear over time.
Gossip had a pernicious influence on workplace morale.

Synonyms

Antonyms

beneficialwholesomesalutaryharmless

Categories

GRE Tip

Pernicious is a hard-difficulty GRE word. On the GRE, you might see it paired with synonyms like "deleterious" or "baneful" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "beneficial".

Related GRE Words

Master pernicious and 800+ GRE words

Learn through stories, practice with real GRE questions, and never forget with spaced repetition.