Definition of "bumpiest" []

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

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• "Physically, she felt defeated after a bone-rattling trip down what she called the bumpiest course on which she has ever raced."
• "We took the bumpiest, dustiest bus ride of our lives on the rutted dirt road to Southern Sudan -- chickens clucking at Levi's feet -- just to see firsthand the jubilation in Juba, where the south had just voted to become an independent country."
• "The lackluster performance ended one of the bumpiest years in the firm's 142-year-history with a thud that deepened questions about how Goldman, Morgan Stanley and other securities firms can expand without revving up some of the same risky practices that helped cause the financial crisis."