Meaning & Definition of Insidious in English
English⟶
Insidious
/ɪnsɪdiəs/
adjective
1. Beguiling but harmful
- "Insidious pleasures"
synonym:
- insidious
2. Intended to entrap
synonym:
- insidious
3. Working or spreading in a hidden and usually injurious way
- "Glaucoma is an insidious disease"
- "A subtle poison"
synonym:
- insidious,
- pernicious,
- subtle