insidious
in si dee uhs
- s beguiling but harmful
insidious pleasures - s intended to entrap
- s working or spreading in a hidden and usually injurious way
glaucoma is an insidious disease
- During his Kenyan safari, David was more terrified of small, insidious creatures like bugs, scorpions, snakes than of big cats.
- This cult group, which boasts of 200 centers in 35 countries, threatens to become more and more insidious and intimidatory.
- This insidious pandemic of obesity is slowly engulfing the entire world.