Doubting

a.

1.

That is uncertain; that distrusts or hesitates; having doubts.

Adj.

1.

doubting - marked by or given to doubt; "a skeptical attitude"; "a skeptical listener" Synonyms: sceptical, skeptical, questioning

Pyrrhonic, agnostic, ambiguous, capricious, chancy, changeable, dicey, distrustful, doubtful, dubious, equivocal, erratic, fickle, from Missouri, hesitant, hesitating, in doubt, incalculable, indecisive, indemonstrable, irresolute, leery, mistrustful, mistrusting, polysemous, questioning, scrupulous, shy, skeptical, suspecting, suspicious, touch-and-go, unaccountable, uncertain, unconfirmable, unconvinced, undivinable, unforeseeable, unpersuaded, unpredictable, unprovable, unsure, untrusting, unverifiable, variable, wary, wavering, whimsical