A really fast thesaurus... with lots of synonyms.
On the sly has 9 synonyms. The top synonyms for on the sly are slick, secret, private, secretly, smoothly, incognito, knowingly, guilefully and 1 more. Another word for on the sly is slick. Browse the full list below.
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| Random | DefinitionA common synonym for on the sly is slick. Other synonyms include secret, private, secretly, smoothly.
On the sly has 9 synonyms listed on Thesaurasize.
(v): slyly, in an inconspicuous manner, so as not to be seen
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