14 entries under underhandedly topic. ×

3
secretly(adverb, show, clandestine, slyly)
3
sub rosa(expression, adverb, show, clandestine, quietly)
2
privately(clandestine, quietly, secretly, personally, slyly)
1
clandestinely(adverb, show, clandestine, quietly, personally)
1
furtively(clandestine, quietly, secretly, personally, privately)
1
hush-hush(clandestine, quietly, secretly, personally, privately)
1
slyly(clandestine, quietly, secretly, personally, privately)
1
stealthily(clandestine, quietly, secretly, personally, privately)
1
surreptitiously(clandestine, quietly, secretly, personally, privately)
1
under wraps(expression, clandestine, secretly, slyly)
1
undercover(clandestine, secretly, furtively, slyly)
1
wildcat(clandestine, secretly, furtively, slyly)
0
clandestine(adverb, secretly, slyly, stealthily)
0
under cover(expression, clandestine, furtively, incognito)
11 years ago|796 views|share |citing 
APASmart Define. (2015). by stealth thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/by_stealth/thesaurus/synonyms
ChicagoSmart Define. 2015. "by stealth thesaurus" https://smartdefine.org/by_stealth/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, by stealth thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/by_stealth/thesaurus/synonyms>.
MLASmart Define. "by stealth thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/by_stealth/thesaurus/synonyms>