not for anything

not for anything (in the world)

Under no conditions or circumstances (will something happen or be the case). If there are bugs in your basement, then I'm not going down there—not for anything! This is a treasured heirloom from my grandmother, so I would never sell it, not for anything in the world.
See also: anything, not
Farlex Dictionary of Idioms.

not for ˈanything

(informal) definitely not: I wouldn’t give it up for anything.
See also: anything, not
Farlex Partner Idioms Dictionary
See also:
  • not for a second
  • not for a minute
  • not for a moment
  • aint
  • ain't
  • not for a instant
  • not for a/one minute/moment/second/instant
  • not by any means
  • by no means
  • lift a finger, he/she doesn't/won't