Webster's Revised Unabridged Dictionary · 1913

one-upmanship

one-upmanship , noun

The attitude or practice of trying to keep one step ahead of a friend or competitor; vigorous competitiveness.

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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