(with "the") Something uncertain.

Not certain; unsure. / Not known for certain; questionable. / Not yet determined; undecided. / Variable and subject to change. / Fitful or unsteady. / Unpredictable or capricious.

Misspelling of uncertainty.

The quality of being uncertain.

(idiomatic) (of a statement, especially a threat or admonishment) Bluntly, forthrightly; explicitly, categorically.

(cricket) The area near the batsman's off stump where, if a ball passes that area, the batsman is unsure whether to play it (and risk an edge) or leave it (and risk being bowled).

(uncountable) Doubt; the condition of being uncertain or without conviction. / (countable) Something uncertain or ambiguous.

In an uncertain manner.

plural of corridor of uncertainty

plural of uncertainty