This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. superlative form of clever: most clever.

"To Thyrsis this mockery came like a blast of fire in the face; he did not know that it was the regular method of the newspaper -- a method by means of which it had made itself known as the cleverest and most readable paper in the country."

ablest    handsomest    first-rate    skillful    clever