exist
US /ɪɡˈzɪst/
UK /ɪɡˈzɪst/

1.
have objective reality or being
:
•
Does life exist on other planets?
•
Unicorns do not exist in reality.
2.
live, especially under adverse conditions
:
•
They learned to exist on very little food.
•
He merely exists, not truly lives.