Definitions for insidious
Overview of adj insidious
The adj insidious has 3 senses? (no senses from tagged texts)
1. insidious
(beguiling but harmful; "insidious pleasures")
2. insidious
(intended to entrap)
3. insidious, pernicious, subtle
(working or spreading in a hidden and usually injurious way; "glaucoma is an insidious disease"; "a subtle poison")
