• equivocal, evasive, indecisive, indefinite, indeterminate, infirm, to be on the hedge, transcendental, unconfirmed, undecided, undetermined, unsettled, vague, weak-kneed, weak-minded, wobbly
• doubtfully, unsteadily, vaguely
• debility of purpose, hesitation, indecision, irresolution, obscureness, vagueness, wobbliness