perniciously

Meaning

In a way that causes great harm or ruin, often in a subtle, gradual, or stealthy manner.

Examples

• The misinformation campaign spread perniciously across social media, slowly eroding public trust in the institution.
• Corrosion had perniciously weakened the bridge's structural supports long before the inspectors discovered the cracks.

Pronunciation: /pərˈnɪʃəsli/

Synonyms of perniciously

Words with a similar meaning to perniciously:

• badly
• harmfully
• destructively
• insidiously
• deleteriously

Antonyms of perniciously

Words with the opposite meaning to perniciously:

• beneficially
• harmlessly