Synonyms|410Antonyms|71|Broader|1Narrower|7Related|371

62 entries under secret topic. ×

2
intelligence(adjective, hidden, spy, covert)
2
masked(obscure, unknown, hidden, concealed)
2
mystical(adjective, unknown, hidden, underground)
2
on the QT(expression, adjective, idiom, adverb, dishonest)
2
recondite(unknown, hidden, underground, concealed)
2
shrouded(obscure, unknown, hidden, clandestine)
2
slinking(private, hidden, sneak, sneaky)
2
sub-rosa(adjective, dishonest, cunning, deceitful)
2
under-the-table(private, hidden, clandestine, sneaky)
2
unknown(hidden, clandestine, underground, concealed)
2
veiled(obscure, private, unknown, hidden)
1
camouflaged(obscure, hidden, clandestine, indirect)
1
dissembled(hidden, clandestine, underground, undisclosed)
1
fraudulent(dishonest, cunning, deceitful, private)
1
on the sly(expression, idiom, adverb, clandestine)
1
undisclosed(unknown, hidden, underground, concealed)
1
unrevealed(obscure, unknown, hidden, concealed)
1
unseen(unknown, hidden, underground, concealed)
0
classified(adjective, clandestine, underground, undisclosed)
0
restricted(adjective, clandestine, underground, undisclosed)
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APASmart Define. (2015). undercover thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/undercover/thesaurus/synonyms
ChicagoSmart Define. 2015. "undercover thesaurus" https://smartdefine.org/undercover/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, undercover thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/undercover/thesaurus/synonyms>.
MLASmart Define. "undercover thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/undercover/thesaurus/synonyms>