79 entries under adjective topic. ×

19
unknown(obscure, strange, mysterious, secret)
15
nameless(new, remote, mysterious, secret)
14
unnamed(strange, secret, unknown, indefinite)
13
anonymous(strange, choice, secret, unknown)
9
unfamiliar(strange, new, remote, mysterious)
8
mysterious(strange, new, remote, secret)
8
unrecognized(strange, new, remote, mysterious)
8
unspecified(ordinary, vague, unknown, indefinite)
8
unsung(strange, new, remote, indefinite)
6
incognito(new, remote, unknown, indefinite)
6
obscure(strange, secret, unknown, hidden)
6
unheard-of(strange, new, remote, indefinite)
5
strange(new, remote, mysterious, indefinite)
5
uncharted(strange, new, remote, mysterious)
5
unmarked
5
unrevealed(strange, new, remote, mysterious)
4
undiscovered(strange, new, remote, mysterious)
4
unexplored(strange, new, remote, mysterious)
3
innominate
3
secret(new, remote, mysterious, unknown)
11 years ago|2.2k views|share |citing 
APASmart Define. (2015). unidentified thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unidentified/thesaurus/synonyms
ChicagoSmart Define. 2015. "unidentified thesaurus" https://smartdefine.org/unidentified/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, unidentified thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unidentified/thesaurus/synonyms>.
MLASmart Define. "unidentified thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/unidentified/thesaurus/synonyms>