absorbed in thought

absorbed in thought

Fully and deeply engrossed in a thought or idea, often to such a degree as to be unaware of or insensitive to the outside world. It's no use trying to talk to Helen when she's absorbed in thought like that; it's as if we don't even exist!
See also: absorb, thought
Farlex Dictionary of Idioms.
See also:
  • lost in thought
  • be lost in (something)
  • be lost in something
  • be lost to the world
  • be sunk in (something)
  • be sunk in something
  • sunk
  • be in a world of (one's) own
  • be, live, etc. in a world of your own
  • in (one's) own (little) world