Definition of "undefeated" []

• Never defeated; always victorious (adjective)

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• "All three look testing for Federer, who has played just six Tour matches since losing to Del Potro in New York, and with 1,500 points up for grabs for any player who wins the title undefeated he is taking nothing for granted."
• "Yes, No. 7 Auburn and No. 9 LSU remain undefeated, and Alabama, now ranked eighth, could climb the ladder still."
• "Yes, No. 7 Auburn and No. 9 LSU remain undefeated, and Alabama, now ranked eighth, could climb the ladder."