unstop

[ uhn-stop ]
/ ʌnˈstɒp /

verb (used with object), un·stopped, un·stop·ping.

to remove the stopper from: to unstop a bottle.
to free from any obstruction; open: to unstop a sewer.
to draw out the stops of (an organ).

Origin of unstop

First recorded in 1350–1400, unstop is from the Middle English word unstoppen. See un-2, stop

Example sentences from the Web for unstop

British Dictionary definitions for unstop

unstop
/ (ʌnˈstɒp) /

verb -stops, -stopping or -stopped (tr)

to remove the stop or stopper from
to free from any stoppage or obstruction; open
to draw out the stops on (an organ)