Synonyms|144Antonyms|66|Broader|3Narrower|4Related|82

14 entries under noun topic. ×

15
furtively(adverb, close, hideaway, arcane)
15
stealthily(adverb, close, hideaway, arcane)
12
surreptitiously(adverb, close, hideaway, arcane)
10
clandestinely(adverb, show, quietly, secretly)
5
on the sly(idiom, adverb, show, quietly)
5
underhandedly(adverb, close, hideaway, arcane)
4
slyly(adverb, secretly)
3
on the q.t
3
or Q.T.
2
quietly
2
sneakily
1
sly
0
on the side
0
slily
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ChicagoSmart Define. 2015. "covertly thesaurus" https://smartdefine.org/covertly/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, covertly thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/covertly/thesaurus/synonyms>.
MLASmart Define. "covertly thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/covertly/thesaurus/synonyms>