26 entries under sub-rosa topic. ×

2
furtive(adjective, secret, spy, covert, recreant)
2
sneaking(adjective, sneak, recreant, falsehearted)
2
stealthy(adjective, secret, spy, covert, recreant)
2
surreptitious(adjective, secret, spy, covert, recreant)
2
undercover(adjective, adverb, sly, clandestine, fraudulent)
1
on the QT(expression, adjective, idiom, adverb, secret)
1
under-the-table(adjective, unknowing, underhanded, recreant, privy)
0
back seat(expression, groundward)
0
bottom
0
bottom-rung
0
bottomward
0
conspiratorial(adjective, recreant, secretive, falsehearted)
0
down
0
earthward
0
entry-level
0
entry level(expression, groundward)
0
groundward
0
hole-and-corner(adjective, secret, spy, covert, recreant)
0
inferior
0
second-banana
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APASmart Define. (2015). under cover thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/under_cover/thesaurus/synonyms
ChicagoSmart Define. 2015. "under cover thesaurus" https://smartdefine.org/under_cover/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, under cover thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/under_cover/thesaurus/synonyms>.
MLASmart Define. "under cover thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/under_cover/thesaurus/synonyms>