in one's own world

idiom

Definition of in one's own world

: spending so much time thinking about something that one does not notice what is happening I tried to talk to him, but he was in his own (little) world and didn't seem to hear what I was saying.

Comments on in one's own world

What made you want to look up in one's own world? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to fake an opponent out of position

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!