Superlative form of worldly: most worldly.(adjective)
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Use "worldliest" in a sentence
"Sales have grown at the Thousand Oaks, Calif., outfit by more than 60\%, and the coming fourth quarter is usually the year's busiest period, she says. the winner of the "worldliest" category in the 2007 StartupNation Home-Based 100 competition, is a case study in what America's home-based businesses are doing to survive in a tough environment."
"The worldliest natural historian of the 18th century was, oddly enough, never much of a traveler."
"Deep down, the worldliest among us know what's over the top even when they can't resist flogging the spillage."