2
secret
2
shiftily
2
shrewdly
2
sly
2
steal
1
covert
1
sub rosa(expression, adverb, clandestine, quietly, secretly)
1
clandestine(adjective, secretly, slyly, underhandedly, surreptitiously)
1
in secret(expression, idiom, adverb)
1
cleverly
1
cop
1
craftily
1
cunningly
1
dilatory
1
discreetly
1
disguisedly(adverb, covertly)
1
enigmatically
1
enshroudedly(adverb, covertly)
1
esoterically
1
felinely
11 years ago|4.6k views|share |citing 
APASmart Define. (2015). stealthily thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/stealthily/thesaurus/synonyms
ChicagoSmart Define. 2015. "stealthily thesaurus" https://smartdefine.org/stealthily/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, stealthily thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/stealthily/thesaurus/synonyms>.
MLASmart Define. "stealthily thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/stealthily/thesaurus/synonyms>