34 entries under mysterious topic. ×

11
unknown(adjective, obscure, strange, indefinite)
10
unidentified(adjective, strange, new, remote)
4
nameless(adjective, strange, new, remote)
3
unfamiliar(adjective, strange, new, remote)
2
strange(adjective, new, remote, indefinite)
2
uncelebrated(adjective, strange, new, remote)
1
X(adjective, strange, new, remote)
1
alien(adjective, strange, new, remote)
1
concealed(adjective, obscure, strange, new, remote)
1
desolate(adjective, strange, new, remote)
1
exotic(adjective, strange, new, remote)
1
far(adjective, strange, new, remote)
1
far-off(adjective, strange, new, remote)
1
faraway(adjective, strange, new, remote)
1
foreign(adjective, strange, new, remote)
1
hidden(adjective, obscure, new, unseen)
1
incog(adjective, obscure, new, remote)
1
little known(expression, adjective, strange, new, remote)
1
new(adjective, strange, remote, indefinite)
1
remote(adjective, strange, new, indefinite)
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APASmart Define. (2015). unrecognized thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unrecognized/thesaurus/synonyms
ChicagoSmart Define. 2015. "unrecognized thesaurus" https://smartdefine.org/unrecognized/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unrecognized thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unrecognized/thesaurus/synonyms>.
MLASmart Define. "unrecognized thesaurus" 23 December 2015. Web. 28 September 2026. <https://smartdefine.org/unrecognized/thesaurus/synonyms>