অর্থ : Beguiling but harmful.
উদাহরণ :
Insidious pleasures.
অর্থ : Intended to entrap.
অর্থ : Working or spreading in a hidden and usually injurious way.
উদাহরণ :
Glaucoma is an insidious disease.
A subtle poison.
সমার্থক : pernicious, subtle
Insidious meaning in Bengali (Bangla).