Insidious

What is Insidious?


1.

Insidious (adverb insidiously)

developing in a very gradual, in a stealthy manner, with the intend of causing damage.

Prostate Cancer is an insidious disease.

See treacherous, stealthy, creep, piece


18

Random Words:

1. A Total Noob! Someone Who sucks PwnedAPr0: Look at that Azn Nubcake! ROFFLECOPTER: N00B! See azn, noob, fagg, loser, homo, queer..
1. Used with masters of any profession. Teachers, scholars, etc. Can be added to the end of a name (usually the surname), or simply 's..
1. the ultimate comeback of Davie Fizzle; can be used in any situation and in any context; has no definate meaning or place in the english ..