pernicious

/pəˈnɪʃəs/

Group 18Difficulty 2/3

Definition

(adjective)
Having a harmful effect, especially in a gradual or subtle way
GRE

Example in Context

The pernicious effects of misinformation are often invisible until they have already undermined public trust in essential institutions.

Synonyms

harmfuldamagingdestructive

Etymology

Causing harm through a gradual process, like a slow poison.

  • per- (Latin) — through
  • nex (Latin) — to kill

Memory Aid

🐍Sounds like “Pernickety

A PERNICIOUS snake sneaks through the grass, being so pernickety it slowly poisons its prey!

Visual Association

🦠A tiny germ wearing a sneaky mask, stealthily spreading illness among unsuspecting victims.

Semantic Clusters

Synonym Groups

Frequently Asked Questions

What does “pernicious” mean on the GRE?

pernicious (adjective) means “Having a harmful effect, especially in a gradual or subtle way”. The pernicious effects of misinformation are often invisible until they have already undermined public trust in essential institutions.

How to remember “pernicious” for the GRE?

Mnemonic: “pernicious” sounds like “Pernickety”. A PERNICIOUS snake sneaks through the grass, being so pernickety it slowly poisons its prey!

What are synonyms for “pernicious”?

Common synonyms: harmful, damaging, destructive.