hammer out

US /ˈhæm.ər aʊt/

UK /ˈhæm.ər aʊt/

1.

to discuss and negotiate until an agreement is reached

:

•

They spent hours trying to hammer out a deal.

•

The committee needs to hammer out a new policy.

:

negotiate finalize resolve settle work out

:

hammer hammered claw hammer hammer throw hammer away at be/go at it hammer and tongs out-and-out