48 entries under adverb topic. ×

8
furtively(noun, close, hideaway, arcane)
8
secretly(close, hideaway, arcane, stealth)
7
stealthily(noun, close, hideaway, arcane)
7
surreptitiously(noun, close, hideaway, arcane)
6
covertly(noun, close, hideaway, arcane)
5
privately(close, hideaway, arcane, stealth)
4
deceitfully
4
underhand
3
clandestinely(noun, clandestine, quietly, secretly)
3
craftily
3
deviously
3
dishonorably
3
slyly(noun, clandestine, quietly, secretly)
2
corruptly
2
dishonestly
2
falsely
2
fraudulently
2
hypocritically
2
immorally
2
insincerely
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APASmart Define. (2015). underhandedly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/underhandedly/thesaurus/synonyms
ChicagoSmart Define. 2015. "underhandedly thesaurus" https://smartdefine.org/underhandedly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, underhandedly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/underhandedly/thesaurus/synonyms>.
MLASmart Define. "underhandedly thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/underhandedly/thesaurus/synonyms>