pernicious 2
adjectivedomain: all adj
Princeton WordNet [ver.3.1]
Definition
working or spreading in a hidden and usually injurious way
Examples
- 1.glaucoma is an insidious disease
- 2.a subtle poison
Synonyms
- insidious 3
working or spreading in a hidden and usually injurious way
- subtle 3
working or spreading in a hidden and usually injurious way


