Pernicious

Pronunciation: /pərˈnɪʃəs/

Pernicious (adjective)

  1. Causing great harm or damage, often in a way that is not easily noticed.

Examples

  • The pernicious effects of pollution can harm wildlife.
  • The pernicious effects of pollution can harm our health.

Common collocations: pernicious influence, pernicious behavior, pernicious disease

Synonyms of Pernicious

Formal

Neutral

Antonyms of Pernicious

  • — Describes something that has a positive effect.
  • — Indicates something that does not cause harm.