Synonyms: insidious, pernicious, subtle
Definition: working or spreading in a hidden and usually injurious way
Usage: glaucoma is an insidious disease; a subtle poison
Similar words: harmful
Definition: causing or capable of causing harm
Usage: too much sun is harmful to the skin; harmful effects of smoking
Synonyms: insidious
Definition: intended to entrap
Similar words: dangerous, unsafe
Definition: involving or causing danger or risk; liable to hurt or harm
Usage: a dangerous criminal; a dangerous bridge; unemployment reached dangerous proportions
Synonyms: insidious
Definition: beguiling but harmful
Usage: insidious pleasures
Similar words: seductive
Definition: tending to entice into a desired action or state