1
unvalued
1
virtual(adjective, essence)
1
without a name(expression, idiom)
1
you know who
0
abstruse(clandestine, underground, undisclosed)
0
ambiguous(clandestine, underground, undisclosed)
0
arcane(clandestine, underground, undisclosed)
0
bootless
0
buttoned up(expression, sensitive, sub-rosa)
0
cloak-and-dagger(clandestine, underground, undisclosed)
0
closet(clandestine, underground, undisclosed)
0
clouded(clandestine, underground, undisclosed)
0
conspiratorial(clandestine, underground, undisclosed)
0
covered(clandestine, underground, undisclosed)
0
deep(clandestine, underground, undisclosed)
0
difficult
0
disowned
0
enigmatical(clandestine, underground, undisclosed)
0
esoteric(clandestine, underground, undisclosed)
0
for eyes only(expression, idiom, sensitive, sub-rosa)
11 years ago|2.3k views|share |citing 
APASmart Define. (2015). unacknowledged thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unacknowledged/thesaurus/synonyms
ChicagoSmart Define. 2015. "unacknowledged thesaurus" https://smartdefine.org/unacknowledged/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unacknowledged thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unacknowledged/thesaurus/synonyms>.
MLASmart Define. "unacknowledged thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/unacknowledged/thesaurus/synonyms>