Definition of in one's own world
- I tried to talk to him, but he was in his own (little) world and didn't seem to hear what I was saying.
: belonging to oneself or itself
used to express immediate or direct kinship
: to have or hold as property : possess
: to have power or mastery over
: to acknowledge to be true, valid, or as claimed : admit
: one or ones belonging to oneself
: the earthly state of human existence
: life after death
: the earth with its inhabitants and all things upon it
: of or relating to the world
: extending or found throughout the world : worldwide
: involving or applying to part of or the whole 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).