keep

US /kiːp/
UK /kiːp/
"keep" picture
1.

have or retain possession of (something)

:
You can keep the change.
I want to keep this book.
2.

continue in a specified condition, position, or course of action

:
Keep quiet!
She decided to keep working.
3.

cause to continue in a specified condition, position, or course of action

:
Keep the door closed.
The noise kept me awake.
1.

the strongest part of a castle or other fortification, housing the main living quarters and defensive structures.

:
The invaders attacked the castle's keep.
The ancient keep stood tall against the sky.