Doubtful, perplexed, irresolute.

Uncertain; unsafe; insecure.

Full of uncertainty of mind; doubting.

In doubt or fear; doubtful.

Marked or characterized by uncertainty or unsteadfastness; dependent on chance or accident; liable to fail; uncertain, precarious.

= uncertain, adj. 6b.

Of persons: Divided or unsettled in opinion; in doubt; undetermined, uncertain, hesitating.

Not certain or sure (of something).

Doubting, uncertain. Cf. scripulous, adj., scrupulous, adj. 1.

Not persuaded or won over; unswayed. Formerly spec.: unconvinced by or unconverted to Christian beliefs.

Of persons: Not fully confident or assured of something.

Prone to hesitate or doubt; distrustful; cautious or meticulous in acting, deciding, etc. Also (of actions, etc.), characterized by doubt or…

Not satisfied in respect of information or knowledge; doubtful, dubious.

Of a person: that has not arrived at a definite view in regard to a question, problem, choice between courses of action, etc.; undecided…

Not certain; = uncertain, adj. (in various senses).

Subjectively doubtful; wavering or fluctuating in opinion; hesitating; inclined to doubt.

Hesitating; irresolute, undecided; stammering.

Not sure; wanting assurance, confidence, or certainty; uncertain; without certainty of (something).

Characterized by hesitation.

Of a person: having or feeling doubt or confusion; uncertain; unsure. Only in predicative use.

That gropes, in senses of the verb.

That doubts or is in uncertainty; of undecided opinion; †formerly also apprehensive, fearful. (See also Thomas, n. 1.)

Inclined or given to doubt; expressing doubt or hesitancy.

Somewhat cautious, rather tentative. Cf. ginger, adj.2

Of persons, the mind, etc.: Unable to think with clearness or precision; indefinite or inexact in thought or statement.

Dubious, doubtful.

Doubting; having doubts. absol. One who doubts.

Lacking in decision or definiteness.

Given to inconclusion; undecided.

Having no forehead, n. (sense 2a). destitute of confidence.

Characterized by titubation, esp. staggering, faltering, unsteady. Often with reference to drunkenness.

Void of conviction.