Insidious

Synonyms of insidious

• deceitful
• treacherous
• sneaky

Antonyms of insidious

• honest
• straightforward
• aboveboard

Collocations of insidious

disease

Frequency: 70 %

The insidious disease spread quickly throughout the community.

plot

Frequency: 60 %

The villain's insidious plot was finally uncovered by the hero.

agenda

Frequency: 50 %

The politician's insidious agenda was revealed to the public.

nature

Frequency: 45 %

The insidious nature of the problem became apparent over time.

intentions

Frequency: 40 %

His insidious intentions were masked by a charming demeanor.

Idiomatic Expressions for insidious

• Phrase: insidious nature
  Meaning: the hidden or subtle quality of something that is harmful or dangerous, often difficult to detect or recognize
  Usage: The insidious nature of online scams makes it important to be cautious when sharing personal information.