A really fast thesaurus... with lots of synonyms.
On the sly has 9 synonyms. The top synonyms for on the sly are secretly, secret, knowingly, smoothly, guilefully, incognito, slick, private and 1 more. Another word for on the sly is secretly. Browse the full list below.
| Length
| Random | DefinitionA common synonym for on the sly is secretly. Other synonyms include secret, knowingly, smoothly, guilefully.
On the sly has 9 synonyms listed on Thesaurasize.
(v): slyly, in an inconspicuous manner, so as not to be seen
Still working on your text?
Finding the right words is only half the battle. If your website isn't turning visitors into customers, we'll show you exactly why.

