/un serr"tn tee/ , n. , pl. uncertainties for 2.
1. the state of being uncertain; doubt; hesitancy: His uncertainty gave impetus to his inquiry.
2. an instance of uncertainty, doubt, etc.
3. unpredictability; indeterminacy; indefiniteness.
[ 1350-1400; ME uncerteynte; see UN- 1 , CERTAINTY ]
Syn. 1. hesitation, irresolution, indecision, ambivalence.