Superlative form of snappy: most snappy.(adjective)
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Use "snappiest" in a sentence
"In fact, many of the snappiest quotes and most poignant stories in "Money and Power" are familiar: Mr. Cohan often uses exactly the same quotes from the same historical sources as Mr. Ellis."
"But for those who pull their hair out over sluggish, molasses-like user interfaces I'm not sure how I'm not bald yet, the PS3 is one of the snappiest streaming solutions available."
"Not the snappiest of mantras, I know, but they are things that do work."