- (a.) Irresolute; inconsonant; variable; untrustworthy; as, an uncertain person; an uncertain breeze.
- (a.) Not certain; not having certain knowledge; not assured in mind; distrustful.
- (a.) To make uncertain.
- (a.) Not sure; liable to fall or err; fallible.
- (a.) Questionable; equivocal; indefinite; problematical.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). uncertain. Retrieved September 20, 2026, from http://smartdefine.org/uncertain/definitions/2076388 |
| Chicago | Webster's. 2011. "uncertain" http://smartdefine.org/uncertain/definitions/2076388 (accessed September 20, 2026). |
| Harvard | Webster's 2011, uncertain, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/uncertain/definitions/2076388>. |
| MLA | Webster's. "uncertain" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/uncertain/definitions/2076388> |