1
indiscoverable
1
indistinct
1
indistinguishable
1
insensible
1
mysterious
1
nebulous
1
obscure
1
out of sight(expression, idiom)
1
puzzling
1
sealed
1
secret
1
shadowy
1
sightless
1
strange
1
submerged
1
unbeknown
1
uncertain
1
uncharted
1
unclassified
1
unclear
11 years ago|6.2k views|share |citing 
APASmart Define. (2015). unapparent thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unapparent/thesaurus/synonyms
ChicagoSmart Define. 2015. "unapparent thesaurus" https://smartdefine.org/unapparent/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unapparent thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unapparent/thesaurus/synonyms>.
MLASmart Define. "unapparent thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/unapparent/thesaurus/synonyms>