uncertain

uncertain is an Adverb

Definition:

[1] Not certain; not having certain knowledge; not assured in mind; distrustful. Chaucer. Man, without the protection of a superior Being, . . . is uncertain of everything that he hopes for. Tillotson.

[2] Irresolute; inconsonant; variable; untrustworthy; as, an uncertain person; an uncertain breeze. O woman! in our hours of ease, Uncertain, coy, and hard to please! Sir W. Scott.

[3] Questionable; equivocal; indefinite; problematical. "The fashion of uncertain evils." Milton. From certain dangers to uncertain praise. Dryden.

[4] Not sure; liable to fall or err; fallible. Soon bent his bow, uncertain in his aim. Dryden. Whistling slings dismissed the uncertain stone. Gay.