Keen
Keen adjective - Able to sense slight impressions or differences.
Sly
Sly adjective - Clever at attaining one's ends by indirect and often deceptive means.
Cite this Source
Sly and Keen. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/keen/sly
Keen & Sly. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/keen/sly>.
Sly or Keen. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/keen/sly.
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