How do you spell Uncertain 

Available Definitions:
1)  a. - Not certain; not having certain knowledge; not assured in mind; distrustful.
2)  a. - Irresolute; inconsonant; variable; untrustworthy; as, an uncertain person; an uncertain breeze.
3)  a. - Questionable; equivocal; indefinite; problematical.
4)  a. - Not sure; liable to fall or err; fallible.
5)  a. - To make uncertain.

Antonyms of "Uncertain"