Expel, force out (5)
I believe the answer is:
eject
This clue is a double definition.
'expel' is the first definition.
(I know that expel can be written as eject)
'force out' is the second definition.
(synonyms)
(Other definitions for eject that I've seen before include "Throw out violently" , "Turf out" , "Send out forcibly" , "Throw out forcibly" , "DVD player button" .)