2
camouflaged
2
disguised
2
indiscernible
2
invisible
2
strange(new, remote, mysterious, indefinite, unidentified)
2
unapprehended(strange, new, remote, mysterious, indefinite)
2
unascertained(strange, new, remote, mysterious, indefinite)
2
uncharted(strange, new, remote, mysterious, indefinite)
2
unconsidered(unseen, ignored, undiscovered, overlooked, unobserved)
2
unexplained(strange, new, remote, mysterious, indefinite)
2
unexplored(strange, new, remote, mysterious, indefinite)
2
unfamiliar(strange, new, remote, mysterious, indefinite)
2
unheard
2
unheard-of(strange, new, remote, indefinite, unidentified)
2
unidentified(strange, new, remote, mysterious, indefinite)
2
unrevealed(strange, new, remote, mysterious, indefinite)
1
X(strange, new, remote, mysterious, indefinite)
1
able
1
alien(strange, new, remote, mysterious, indefinite)
1
anonymous(strange, indefinite, unidentified)
11 years ago|1.9k views|share |citing 
APASmart Define. (2015). unperceived thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unperceived/thesaurus/synonyms
ChicagoSmart Define. 2015. "unperceived thesaurus" https://smartdefine.org/unperceived/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unperceived thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unperceived/thesaurus/synonyms>.
MLASmart Define. "unperceived thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/unperceived/thesaurus/synonyms>