On the sly
On the sly adverb - In a furtive manner.
Under cover and on the sly are semantically related in in secret topic. In some cases you can use "Under cover" instead the phrase "On the sly" as an adverb or an adjective.
Under cover
On the sly and under cover are semantically related in secret topic. You can use "On the sly" instead the phrase "Under cover" as an adverb or an adjective, if it concerns topics such as sneaky, underground, clandestine.
Mutual synonyms
Related pairs
- secret and on the sly
- secret and under cover
- concealed and on the sly
- concealed and under cover
- hidden and on the sly
- hidden and under cover
- furtive and on the sly
- furtive and under cover
- surreptitious and on the sly
- surreptitious and under cover
- clandestine and on the sly
- clandestine and under cover
- covert and on the sly
- covert and under cover
Cite this Source
Under cover and On the sly. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/on_the_sly/under_cover
On the sly & Under cover. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/on_the_sly/under_cover>.
Under cover or On the sly. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/on_the_sly/under_cover.