Alternative
Alternative adjective - Necessitating a choice between mutually exclusive possibilities.
On the sly and alternative are semantically related In some cases you can use "On the sly" instead an adjective "Alternative".
On the sly
On the sly adverb - In a furtive manner.
Alternative and on the sly are semantically related in secret topic. Sometimes you can use "Alternative" instead an adjective phrase "On the sly", if it concerns topics such as underground.
Mutual synonyms
Cite this Source
On the sly and Alternative. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/alternative/on_the_sly
Alternative & On the sly. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/alternative/on_the_sly>.
On the sly or Alternative. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/alternative/on_the_sly.