While there are several theories, the actual origin of the term remains uncertain.

The status of the document was and remained uncertain.

Others who were there remain uncertain of everything that occurred but would pay admission to see such a bar fight again.

The cellular role or significance of stress fibers in general has remained uncertain.

Samuelson had said so few words the previous evening that his country of origin had remained uncertain.

Starbuck remains uncertain herself and does not wish to discuss it any further.

The air was close and heavy with moisture, the sky remaining uncertain and grey; it would be hot again, he thought.

But he said that the purchase price remaining uncertain at this point makes it hard to know whether the deal is good for investors.

Var remained uncertain, but had no better alternative.

However, as noted by some linguists, the precise relationship between these two, whether ancestral or not, is problematical and remained uncertain.