pernicious

Pronunciation

• (UK) IPA ^(key): /pəˈnɪʃəs/
• (US) IPA ^(key): /pɚˈnɪʃəs/

• Audio (US)

  (file)

Adjective

Positive pernicious

Comparative more pernicious

Superlative most pernicious

1. If something is pernicious, it causes a lot of harm in a subtle manner.
   • Synonym: deleterious