be scared/bored witless

be bored witless

To be extremely bored. I could tell everyone in the audience was bored witless by the end of the lecture.
See also: bore, witless

be scared witless

To be very severely frightened or worried. I was scared witless when I heard footsteps on the staircase in the middle of the night. I'm scared witless that the tests are going to come back positive for leukemia.
See also: scare, witless
Farlex Dictionary of Idioms.

be scared/bored ˈwitless

(informal) be extremely frightened or bored: Despite his reputation as a tough guy, he admits that he was ‘scared witless’ when he first arrived in New York.
See also: bore, scare, witless
Farlex Partner Idioms Dictionary
See also:
  • witless
  • be bored witless
  • bored to tears
  • bored stiff
  • bore (one) stiff
  • bore (one) to death
  • bore stiff
  • bore to death
  • bored to death
  • distraction