locked up
Imprisoned, incarcerated.
ADJ.
inside, remaining
The remaining staff were locked inside the building when the fire alarm went off.
VERB + LOCKED
can't, delete, house, keep
LOCKED + NOUN
computer, door, o'clock
I locked the door before leaving for work this morning.
PREP.
from, in, up, within
The dog was locked in the garage while we went to the store.
ADV.
absolutely
I checked the door three times because I was absolutely locked in my routine of worrying.