(v. i.) To slide back; to fall away; esp. to abandon gradually the faith and practice of a religion that has been professed.

cock defect degenerate desert err fall fall again into fall astern fall away fall back fall behind fall from grace get behind go astray go backwards go behind go wrong have a relapse jerk back lapse lapse back lose ground pull back recede recidivate recur to regress relapse retrocede retroflex retrograde retrogress retrovert return return to reverse revert revert to sink back slide back slip slip back tergiversate trip turn yield again to