unconfident, not confident, lacking confidence, lacking self-confidence, not self-assured, lacking assurance, unassertive
undecided, irresolute, dithering, equivocating, in two minds, in a dilemma, in a quandary, ambivalent, vague
dubious, doubtful, sceptical, distrustful, suspicious, mistrustful, uncertain, unconvinced
View synonyms