As a verb subdue
is to overcome, quieten, or bring under control.
As an adjective unsubduable is
that cannot be subdued; indomitable.
To overcome, quieten, or bring under control.
, date=September 2
, author=Phil McNulty
, title=Bulgaria 0-3 England
, passage=Gary Cahill, a target for Arsenal and Tottenham before the transfer window closed, put England ahead early on and Rooney was on target twice before the interval as the early hostility of the Bulgarian supporters was swiftly subdued .}}
To bring (a country) under control by force.
That cannot be subdued; indomitable.