Nonappearance(n.) Default of appearance, as in court, to prosecute or defend; failure to appear.
Thesaurus Entries
AWOL, French leave, abscondence, absence without leave, absentation, absenteeism, absenting, beggary, cut, day off, dearth, default, defect, defectiveness, deficiency, deficit, departure, deprivation, destitution, disappearance, drought, emptiness, escape, excused absence, exigency, famine, fleeing, furlough, holiday, hooky, imperfection, impoverishment, inadequacy, incompleteness, insufficiency, lack, leave, leave of absence, leaving, miss, necessity, need, negation, negativeness, negativity, nihility, nonappearance, nonattendance, nonbeing, nonentity, nonexistence, nonoccurrence, nonreality, nonsubsistence, not-being, nothingness, nullity, omission, paucity, privation, running away, sabbatical leave, scantiness, scarcity, shortage, shortcoming, shortfall, sick leave, starvation, truancy, truantism, unactuality, unexcused absence, unreality, vacancy, vacation, vacuity, vacuum, void, want, wantage