37 entries under unidentified topic. ×

1
such-and-such(adjective, strange, new, remote, mysterious)
1
unapprehended(adjective, strange, new, remote, mysterious)
1
unascertained(adjective, strange, new, remote, mysterious)
1
uncharted(adjective, strange, new, remote, mysterious)
1
undiscovered(adjective, strange, new, remote, mysterious)
1
unexplained(adjective, strange, new, remote, mysterious)
1
unexplored(adjective, strange, new, remote, mysterious)
1
unfamiliar(adjective, strange, new, remote, mysterious)
1
unperceived(adjective, strange, new, remote, mysterious)
1
unrecognized(adjective, strange, new, remote, mysterious)
1
unrenowned(adjective, strange, new, remote, mysterious)
1
unrevealed(adjective, strange, new, remote, mysterious)
1
unspecified(adjective, strange, unknown, indefinite, undisclosed)
1
untold(adjective, strange, new, remote, mysterious)
0
indefinite
0
undetermined(strange, indefinite)
0
unheard of(expression, strange, indefinite)
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APASmart Define. (2015). x thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/x/thesaurus/synonyms
ChicagoSmart Define. 2015. "x thesaurus" https://smartdefine.org/x/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, x thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/x/thesaurus/synonyms>.
MLASmart Define. "x thesaurus" 27 October 2015. Web. 26 September 2026. <https://smartdefine.org/x/thesaurus/synonyms>