35 entries under missing topic. ×

18
hidden(adjective, adverb, obscure, dark, superior)
3
obscured(adjective, out, hidden, lost, unable)
2
lost
1
absent(confused, out, hidden, lost, unchangeable)
1
adrift(confused, out, hidden, lost, unchangeable)
1
astray(confused, out, hidden, lost, unchangeable)
1
at sea(expression, out, hidden, lost)
1
cast away(expression, out, hidden, lost)
1
disappeared(confused, out, hidden, lost, unchangeable)
1
disoriented(confused, out, hidden, lost, unchangeable)
1
down the drain(expression, idiom, out, hidden)
1
fallen between cracks(expression, idiom, out, hidden)
1
forfeit(confused, out, hidden, lost, unchangeable)
1
forfeited(confused, out, hidden, lost, unchangeable)
1
gone(confused, out, hidden, lost, bewildered)
1
gone astray(expression, out, hidden, lost)
1
irrecoverable(confused, out, hidden, lost, unchangeable)
1
irretrievable(confused, out, hidden, lost, bewildered)
1
irrevocable(confused, out, hidden, lost, unchangeable)
1
kiss goodbye(expression, out, hidden, lost)
<12>
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APASmart Define. (2015). invisible thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/invisible/thesaurus/synonyms
ChicagoSmart Define. 2015. "invisible thesaurus" https://smartdefine.org/invisible/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, invisible thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/invisible/thesaurus/synonyms>.
MLASmart Define. "invisible thesaurus" 7 December 2015. Web. 22 September 2026. <https://smartdefine.org/invisible/thesaurus/synonyms>