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uncanny
uncanvassed
uncap
uncared-for
uncategorized
unceasing
unceremonious
uncertain
uncertainty
uncertainty principle
unchain
uncharted
unchartered
unchecked
unchristian
unchurch
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uncertainty

un·cer·tain·ty [ un súrt'ntee ] (plural un·cer·tain·ties)


noun 
Definition:
 
1. fact of being uncertain: the quality or state of being uncertain

2. unpredictable thing: something that nobody can predict or guarantee ( often used in the plural )
economic uncertainties

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