insidiously
- r in a harmfully insidious manner
these drugs act insidiously
- Frenchmen, clutching crisp or crinkly banknotes, felt their wealth oozing from them as insidiously as though they grasped a handful of slime.
- Solution: Stage insidiously witty, smart stunts: 7-Elevens are transformed into Simpsonian Kwik-E Marts.
- Beck makes sure to mention the Today connection, leaving you with the vague impression that Matt Lauer is insidiously using Miley Cyrus to lure us into a trap set by Joe Stalin.