quivocal uncertain, undetermined, or questionable; Late Latin aequivocus (ambiguous) errant describes conduct that amounts to misbehaving; also, can mean wandering aimlessly, as in an errant breeze, and in this use errant is a gentle, poetic word; Latin errare (to wander) ersatz applies to anything that is synthetic, artificial, substitute; not the genuine article; something else, generally of i