Synonyms|358Antonyms|72|Broader|2Narrower|0Related|322

62 entries under secret topic. ×

5
undisclosed(adjective, unknown, hidden, concealed)
5
veiled(adjective, unknown, hidden, clandestine)
4
close(unknown, hidden, clandestine, concealed)
4
disguised(deception, unknown, hidden, clandestine)
4
esoteric(unknown, hidden, underground, concealed)
4
mystic(adjective, unknown, hidden, underground)
4
secluded(adjective, unknown, hidden, underground)
4
slinking(adjective, sneaky, covert, secretive)
4
stealth(noun, hidden, spy, covert)
3
classified(clandestine, underground, undisclosed, top-secret)
3
closet(noun, adjective, clandestine, underground)
3
mysterious(adjective, quiet, unknown, hidden)
3
mystical(adjective, unknown, hidden, underground)
3
on the sly(expression, adjective, idiom, sneaky)
3
sub-rosa(adjective, dishonest, cunning, clandestine)
3
under cover(expression, spy, covert, recreant)
3
under wraps(expression, adjective, dishonest, hidden)
3
underneath(hidden, spy, covert)
3
unrevealed(adjective, unknown, hidden, underground)
1
abstruse(unknown, hidden, underground, concealed)
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APASmart Define. (2015). surreptitious thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/surreptitious/thesaurus/synonyms
ChicagoSmart Define. 2015. "surreptitious thesaurus" https://smartdefine.org/surreptitious/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, surreptitious thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/surreptitious/thesaurus/synonyms>.
MLASmart Define. "surreptitious thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/surreptitious/thesaurus/synonyms>