What is another word for "missing"?

Roget's Thesaurus (1911) lists these synonyms for "missing": arrear, avaunt, away, behind, break, caret, complete, crude, defalcation, default, defect, defective, deficiency, deficient, deficit, depart, departure, disappear, disappearance, disappearing, discontinuity, dissolve, dissolving, eclipse, efface, ejection, evanescence, evanescent, evaporate, exit, fade, failing, fall, from, gap, get, going, gone, half, halves.