Dictionary
in•cer•ti•tude
Pronunciation: (in-sûr'ti-tOOd", -tyOOd"), [key]—
n.
1. uncertainty or doubtfulness.
2. instability or insecurity:
The incertitude of his position in life caused him to postpone marriage. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.