On the sly
On the sly adverb - In a furtive manner.
Quiet and on the sly are semantically related. In some cases you can use "Quiet" instead an adverb phrase "On the sly".
Quiet
Quiet adverb - Without motion.
On the sly and quiet are semantically related. Sometimes you can use "On the sly" instead an adverb "Quiet".
Cite this Source
Quiet and On the sly. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/on_the_sly/quiet
On the sly & Quiet. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/on_the_sly/quiet>.
Quiet or On the sly. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/on_the_sly/quiet.
