open
Police officers broke open the door and entered the house.
Holding the coconut firmly, break it open with a hammer.
She had to use a golf club to break open the rear window of the car and pull him free.
He smashed the machine against the concrete floor, breaking open the casing.
Breaking open quail's eggs can be tricky because of the tough inner membrane.
The soldiers broke open storerooms and removed their contents.

SMART Vocabulary: related words and phrases

Unfastening and opening
breaker
decongestion
gape
let/set something looseidiom
loose
loosen
steam
tease
tease something out
the earth/ground/floor opensidiom
unbolted
unbuckle
unbutton
unfold
unlace
unlock
unlockable
unpick
unplug
unzip