On the sly
On the sly adverb - In a furtive manner.
Unobserved and on the sly are semantically related in in hidden manner topic. In some cases you can use "Unobserved" instead an adverb phrase "On the sly".
Unobserved
Unobserved adjective - Not observed.
On the sly and unobserved are semantically related in in hidden manner topic. Sometimes you can use "On the sly" instead an adverb "Unobserved".
Mutual synonyms
Related pairs
- secret and on the sly
- secret and unobserved
- concealed and on the sly
- concealed and unobserved
- hidden and on the sly
- hidden and unobserved
- furtively and on the sly
- furtively and unobserved
- secretly and on the sly
- secretly and unobserved
- privately and on the sly
- privately and unobserved
- covertly and on the sly
- covertly and unobserved
Cite this Source
Unobserved and On the sly. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/on_the_sly/unobserved
On the sly & Unobserved. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/on_the_sly/unobserved>.
Unobserved or On the sly. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/on_the_sly/unobserved.