WordNet: insidious, pernicious, subtle
working or spreading in a hidden and usually injurious way; "glaucoma is an insidious disease"; "a subtle poison"
- similar to harmful
insidious
- (englanti) insidiousness (derivationally related)
- (suomi) salakavala (synonyymi)
pernicious
- (englanti) perniciousness (derivationally related)
- (suomi) haitallinen (synonyymi)
subtle
- (suomi) hienovarainen (synonyymi)