phyir 'bor ba

Nonreturn. See also 'fruition of nonreturn.' [RY]

irreversible, non-returner/ing, gone forever [IW]

nonregressing/ nonreverting; nonregression; without / regression/ relapse; to ensure no relapse [RB]

1) a Non-returner; 2) nonregressing/ nonreverting; nonregression; irreversible, non-returner [RY]

prevention of relapses, non-returner [JV]