26
lacking(verb, adjective, poor, split, quit)
23
absent(adjective, present, split, quit, negative)
21
gone(verb, adjective, get, present, negative)
19
wanting(verb, adjective, poor, inadequate, deficient)
15
away(adjective, split, quit, short, shy)
13
lost(verb, adjective, get, split, negative)
12
nonexistent(adjective, real, absent, fictional, inexistence)
11
deficient(adjective, poor, short, inadequate, exhausted)
9
omitted(adjective, absent, absence, excluded, inexistence)
8
homesick(adjective, wistful, nostalgic)
8
not present(expression, adjective, idiom, split, lacking)
7
casualty(noun, loss, victim, pretermission, preterition)
7
departed(adjective, split, negative, lacking, finished)
7
mislaid(adjective, confused, out, hidden, lost)
7
vanished(adjective, split, out, hidden, lost)
6
failing(noun, verb, adjective, slip, short)
6
misplaced(adjective, confused, out, hidden, lost)
6
out(adjective, absent)
6
short(adjective, poor, shy, inadequate, empty)
5
forfeited(confused, out, hidden, lost, unchangeable)
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APASmart Define. (2015). missing thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/missing/thesaurus/synonyms
ChicagoSmart Define. 2015. "missing thesaurus" https://smartdefine.org/missing/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, missing thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/missing/thesaurus/synonyms>.
MLASmart Define. "missing thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/missing/thesaurus/synonyms>