0
foresworn(fickle, untrustworthy, unprincipled, dirty-dealing)
0
foxy(adjective, sly, fraudulent)
0
fraudulent(adjective, sly)
0
furtively(adverb, clandestine, underhandedly, incognito)
0
groundward
0
guarded(adjective, cover, obscure, dark, equivocal)
0
guileful(adjective, secretive, conspiratorial)
0
hermetic(adjective, obscure, dark, unseen)
0
hermetical(adjective, obscure, dark, isolated, unknowing)
0
hermit-like(isolated, reclusive, uncompanionable)
0
hermitic(isolated, reclusive, uncompanionable)
0
hermitical(isolated, reclusive, uncompanionable)
0
hermitlike(isolated, reclusive, uncompanionable)
0
hole-and-corner(adjective, secret, spy, covert, recreant)
0
hot-headed(unknowing, hermetical, unbriefed)
0
hugger-mugger(adjective, quiet)
0
huggermugger(adverb, show)
0
hushed(adjective, taciturn, uncommunicative)
0
hypogeal(adjective, subterranean)
0
hypogean(adjective, subterranean)
<1…678910>
11 years ago|1.2k views|share |citing 
APASmart Define. (2015). under cover thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/under_cover/thesaurus/synonyms
ChicagoSmart Define. 2015. "under cover thesaurus" https://smartdefine.org/under_cover/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, under cover thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/under_cover/thesaurus/synonyms>.
MLASmart Define. "under cover thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/under_cover/thesaurus/synonyms>