Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
insidious | No | Yes | No | No |
insidiousness | Yes | No | No | No |
insidious (noun) | insidiousness (noun) |
---|---|
subtle and cumulative harmfulness (especially of a disease) | |
the quality of being designed to entrap |
insidious (adjective) | insidiousness (adjective) |
---|---|
intended to entrap | |
working or spreading in a hidden and usually injurious way | |
beguiling but harmful |