Definition of "best-known" []

• Superlative form of well-known: most well-known. (adjective)

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• "Head Start, one of the best-known creations of the War on Poverty, even today reaches only 40 percent of eligible three- and four-year-olds."
• "The best-known offshoot of the rock-and-roll movement, the hippies of the 1960s and 1970s, are well known for their libertine attitudes but, ironically, they found themselves in the same contradictory place as their redneck archenemies."
• "U.S. Patent and Trademark Office Harris Corp. is the best-known maker of stingrays, like the one above."