Definition of "slyest" []

• Superlative form of sly: most sly. (adjective)

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• "Unfazed, newest recruit Josie Rourke begins her reign as artistic director with a wink of candlelight, the slyest pre-show mobile phone warning ever conceived, a gurgling sense of fun, and a Restoration comedy, which is a first for the Donmar."
• "That is to say, he's the quickest, sharpest, slyest and wryest comic actor on the screen."
• "They're among Stezaker's slyest and most unsettling works, because what they intrude into the portraits is a series of gaping holes: chasms and waterfalls that cleave faces in two, yawning caves and sunlit sea arches that tunnel into unknowable interiors."