ಅರ್ಥ : Beguiling but harmful.
ಉದಾಹರಣೆ :
Insidious pleasures.
ಅರ್ಥ : Intended to entrap.
ಅರ್ಥ : Working or spreading in a hidden and usually injurious way.
ಉದಾಹರಣೆ :
Glaucoma is an insidious disease.
A subtle poison.
ಸಮಾನಾರ್ಥಕ : pernicious, subtle