Insidiously
Part of speech: adverb
Definition: in an insidious manner
Perniciously
Part of speech: adverb
Definition: In a pernicious manner.
Difference between Insidiously and Perniciously
What is the difference between Insidiously and Perniciously?
Insidiously as an adverb is in an insidious manner while Perniciously as an adverb is in a pernicious manner.
We hope you now know whether to use Insidiously or Perniciously in your sentence.