To impede; detain.
To wait or delay.
To support or lift.
To fulfil or complete one's part of an agreement.
To rob at gunpoint.
(Of an artistic work) To continue to be seen as good, to avoid seeming dated.
To withstand; to stand up to; to survive.
To keep up; not to fall behind; not to lose ground.
To remove or clear a block or obstruction from.
In whist, to throw away a high card so as not to interrupt one's partner's long suit.
To free or make available.
To enable communication again, via telephone, instant messaging, etc., with (somebody previously blocked).
The removal of a block or blockage.