3
truant(adjective, absent)
3
void(adjective, absent)
2
astray(adjective, split, hidden, lacking, finished)
2
miss
2
absence
2
absentee
2
abstract(adjective, absent)
2
alienated
2
blank(noun, adjective, slip, negative, breach)
2
blundering
2
dead(split, negative, loss, lacking, finished)
2
disappeared(adjective, split, hidden, lacking, finished)
2
extinct(split, negative, away, lacking, finished)
2
failure(noun, slip, breach, lapse, failing)
2
faulting
2
gap(noun, slip, breach, lapse, failing)
2
ignoring(noun, verb, adjective, slip, breach)
2
inexistent
2
insensible
2
irrecoverable(adjective, confused, out, hidden, lost)
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APASmart Define. (2015). missing thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/missing/thesaurus/synonyms
ChicagoSmart Define. 2015. "missing thesaurus" https://smartdefine.org/missing/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, missing thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/missing/thesaurus/synonyms>.
MLASmart Define. "missing thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/missing/thesaurus/synonyms>