characterized by indecision, as persons; irresolute; undecided.

not decisive or conclusive

a severe but indecisive battle.

lacking definition; vague or indistinct

the indecisive outline of the distant hills.

adjective

certain , decisive , definite , deliberate , determined , sure

adjective

astraddle , changeable , doubtful , faltering , halting , hemming and hawing , hesitant , hesitating , hot and cold , inconclusive , indeterminate , irresolute , of two minds , on the fence * , tentative , unclear , undecided , undetermined , uneventful , unsettled , unstable , vacillating , waffling , wavering , weak-kneed , wishy-washy * , pendulous , shilly-shally , timid , vacillant , vacillatory , borderline , chancy , clouded , dubious , dubitable , equivocal , problematic , problematical , questionable , uncertain , unsure , ambivalent , indefinite , namby-pamby , shaky