On the sly
On the sly adverb - In a furtive manner.
Surreptitious and on the sly are semantically related in secret topic. In some cases you can use "Surreptitious" instead an adjective phrase "On the sly", when it comes to topics like underground.
Surreptitious
Surreptitious adjective - Undertaken or done so as to escape being observed or known by others.
On the sly and surreptitious are semantically related in sneaky topic. Sometimes you can use "On the sly" instead an adjective "Surreptitious".
Nearby Word: surreptitiously
Mutual synonyms
Related pairs
- sly and on the sly
- sly and surreptitious
- fraudulent and on the sly
- fraudulent and surreptitious
- unauthorized and on the sly
- unauthorized and surreptitious
- private and on the sly
- private and surreptitious
- secret and on the sly
- secret and surreptitious
- sneaky and on the sly
- sneaky and surreptitious
- concealed and on the sly
- concealed and surreptitious
Cite this Source
Surreptitious and On the sly. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/on_the_sly/surreptitious
On the sly & Surreptitious. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/on_the_sly/surreptitious>.
Surreptitious or On the sly. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/on_the_sly/surreptitious.
