Synonyms|110Antonyms|3|Broader|1Narrower|0Related|37

13 entries under noun topic. ×

5
clandestinely(adverb, show, clandestine, quietly)
4
covertly(adverb, show, quietly, secretly)
4
furtively(adverb, clandestine, quietly, secretly)
3
surreptitiously(adverb, clandestine, quietly, secretly)
2
on the q.t
2
or Q.T.
2
quietly(adverb, secretly, personally, privately)
2
slyly(adverb, clandestine, quietly, secretly)
2
stealthily(adverb, clandestine, quietly, secretly)
1
sneakily
1
underhandedly(adverb, clandestine, quietly, secretly)
0
on the side
0
slily
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APASmart Define. (2015). on the sly thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/on_the_sly/thesaurus/synonyms
ChicagoSmart Define. 2015. "on the sly thesaurus" https://smartdefine.org/on_the_sly/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, on the sly thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/on_the_sly/thesaurus/synonyms>.
MLASmart Define. "on the sly thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/on_the_sly/thesaurus/synonyms>