1
unfathomed
1
unheard-of
1
unimagined
1
unintelligible
1
uninvestigated
1
unknowable
1
unperceived
1
unplumbed
1
unquestioned
1
unrevealed
1
unspied
1
untouched
1
veiled(secret, hidden, clandestine, underground, underhanded)
0
abrupt
0
accidental
0
adventitious
0
background
0
buried(secret, hidden, clandestine, underground, underhanded)
0
camouflaged(secret, hidden, clandestine, underground, underhanded)
0
clandestine
11 years ago|1.3k views|share |citing 
APASmart Define. (2015). unsuspected thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unsuspected/thesaurus/synonyms
ChicagoSmart Define. 2015. "unsuspected thesaurus" https://smartdefine.org/unsuspected/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unsuspected thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unsuspected/thesaurus/synonyms>.
MLASmart Define. "unsuspected thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/unsuspected/thesaurus/synonyms>