- insidious: see session
- insidious (adj.)
- 1540s, from Middle French insidieux (15c.) or directly from Latin insidiosus "deceitful, cunning, artful," from insidiae (plural) "plot, snare, ambush," from insidere "sit on, occupy," from in- "in" (see in- (2)) + sedere "to sit" (see sedentary). Related: Insidiously; insidiousness.
- 1. They focus on overt discrimination rather than insidious aspects of racism.
- 2. the insidious effects of polluted water supplies
- 3. The changes are insidious, and will not produce a noticeable effect for 15 to 20 years.
- 4. Organized crime has an insidious influence on all who come into contact with it.
- 5. That insidious man bad mouthed me to almost everyone else.
[ insidious 造句 ]