Synonyms of missing

1 Syllable
short, sans, truant, lost
2 Syllables
no-show, lacking, run-off, awol, absent, astray, wanting, away, mislaid, ghoster
3 Syllables
omission, nonextant, homesick, omitting, removed, misplaced, omitted, omissions, ungrounded, elision
4 Syllables
preterition, noninclusion, non-existent, nonexistent, disappeared, overlooked
5 Syllables
inadvertency