The Dayton agreements call for all foreign fighters to be out of the country by this weekend, but an uncertain number are thought to remain.

Again, the Nueces stood up to the storm but the city was devastated and an uncertain number of people, hundreds if not more, were killed.

Behind him was a crowd of uncertain numbers.

An uncertain number may be highly significant (example: signal averaging).

There were 3 men in one compartment and an uncertain number of coolies in another.

It was coming back for him, walking the flatland now some uncertain number of meters above his head.

There was a network of camps in the region itself, through which an uncertain number of criminal and political prisoners passed.

Since its inception, the church has expanded to most nations of the world, with an uncertain number of members.

An uncertain number of legislators, perhaps 15, have been subpoenaed individually to turn over their personal financial records as well.

An uncertain number of items, including two more bone artifacts, were left in place.