Sly
Sly adjective - Clever at attaining one's ends by indirect and often deceptive means.
Usage example: the movie pairs a sly, dissembling ex-con with an upstanding, straight-arrow cop
Underhand is a synonym for sly in cunning topic. In some cases you can use "Underhand" instead an adjective "Sly", when it comes to topics like clever, secretive.
Underhand
Underhand adjective - Given to or marked by cheating and deception.
Usage example: willing to stoop to underhand methods in order to win
Sly is a synonym for underhand in deceitful topic. You can use "Sly" instead an adjective "Underhand", if it concerns topics such as devious, secretive.
Nearby Word: underhanded
Mutual synonyms
Cite this Source
Underhand and Sly. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/sly/underhand
Sly & Underhand. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/sly/underhand>.
Underhand or Sly. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/sly/underhand.
Google Ngram Viewer shows how "sly" and "underhand" have occurred on timeline