2
trickish
2
trumped up(verb, phrasal verb, deception, untruth)
2
under-the-counter
2
unexposed
2
unobtrusive
2
untrue(deception, untruth)
2
waiting concealed
1
two faced
1
uncommunicative
1
abstruse(secret, unknown, hidden, underground, concealed)
1
adulterer
1
awry
1
backdoor(clandestine, underground, undisclosed)
1
bastard
1
ben trovato(expression, idiom, untruth)
1
buried(secret, unknown, hidden, concealed, underhanded)
1
buttoned up(verb, phrasal verb, concealment)
1
camouflaged(secret, hidden, clandestine, underground, undisclosed)
1
case
1
circumlocutionary
11 years ago|10k views|share |citing 
APASmart Define. (2015). surreptitious thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/surreptitious/thesaurus/synonyms
ChicagoSmart Define. 2015. "surreptitious thesaurus" https://smartdefine.org/surreptitious/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, surreptitious thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/surreptitious/thesaurus/synonyms>.
MLASmart Define. "surreptitious thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/surreptitious/thesaurus/synonyms>