be in another world

be in another world

To be lost in thoughts or daydreams and thus oblivious to one's surroundings. Jill must have been in another world when I asked her to turn off the oven because the bread is burned now. I have no idea what the professor said during today's lecture because I was in another world the whole time. When she starts writing, Helen is in another world, and it's very difficult to get her attention.

See also: another, world

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