With the end of the war, the Communist Party no longer faced an acute military threat to its existence and power.

Yet except in times of war or acute external threat, this seems rarely to happen in modern democratic societies.

More acute threat to the Polish-Lithuanian state came from Sweden.

But there seems nonetheless to be a search for new, acute threats to fill the space that the now less scary al-Qaida has left.

Successive Dutch governments tended to avoid openly identifying Germany as an acute military threat.

The most acute threat comes from migration barriers, such as fences and roads.

Chronic illness is driven from the stage by the acute threat.

The peace treaty between Portugal and the Netherlands in 1663 removed the acute threat from the latter.

The Tahirides had to contend with a number of acute external threats.

Hamas deliberately exposed Palestinian citizens to an acute threat of war, even in places likes mosques.