50 entries under dark topic. ×

5
covert(adjective, cover, show, obscure)
4
concealed(adjective, cover, show, obscure)
4
hidden(adjective, cover, show, obscure)
3
buried(adjective, cover, show, obscure)
3
obscured(adjective, cover, show, obscure)
3
shrouded(adjective, cover, obscure, unknown)
2
abstruse(adjective, obscure, unseen)
2
close(adjective, obscure, unseen)
2
clouded(adjective, obscure, unseen)
2
latent(adjective, obscure, unseen)
2
mysterious(adjective, obscure, unseen)
2
obscure(adjective, cover, isolated, equivocal)
2
occult(adjective, obscure, unseen)
2
recondite(adjective, obscure, unseen)
2
screened(adjective, obscure, isolated, reclusive)
2
secluded(adjective, obscure, isolated, reclusive)
2
sequestered(adjective, obscure, isolated, reclusive)
2
under wraps(expression, adjective, adverb, cover, obscure)
2
unknown(adjective, obscure, unseen)
0
ambiguous(adjective, cover, obscure, deep)
<123>
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APASmart Define. (2015). under cover thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/under_cover/thesaurus/synonyms
ChicagoSmart Define. 2015. "under cover thesaurus" https://smartdefine.org/under_cover/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, under cover thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/under_cover/thesaurus/synonyms>.
MLASmart Define. "under cover thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/under_cover/thesaurus/synonyms>