erstwhile


erstwhile (http://definr.com/erstwhile)

     adj : belonging to some prior time; "erstwhile friend"; "our
           former glory"; "the once capital of the state"; "her
           quondam lover" [syn: erstwhile(a), former(a), once(a),
            onetime(a), quondam(a), sometime(a)]
     adv : at a previous time; "once he loved her"; "her erstwhile
           writing" [syn: once, formerly, at one time, erst]