Synonyms and related words :
AWOL, French leave, abscondence, absence, absence without leave, absentation, absenteeism, absenting, absquatulation, bolt, concealment, cut, day off, decampment, default, departure, desertion, disappearing act, elopement, escape, excused absence, exit, fleeing, flight, fugitation, furlough, hasty retreat, hegira, holiday, hooky, immateriality, imperceptibility, indiscernibility, invisibility, leave, leave of absence, leaving, nonappearance, nonattendance, quick exit, running away, sabbatical leave, scramming, secrecy, sick leave, skedaddle, skedaddling, the invisible, the unseen, truancy, truantism, unexcused absence, unperceivability, unseeableness, unsubstantiality, vacation, viewlessness