English dictionary



Hint: Wildcards can be used multiple times in a query.

English adverb: insidiously

1. insidiously in a harmfully insidious manner


SamplesThese drugs act insidiously.


Synonymsperniciously









Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk