More dour; more gloomy, stern, or unfriendly in appearance or manner.
Comparative form of dour, from Middle English dure, possibly from Gaelic dour meaning 'dark' or 'gloomy.' The comparative adds -er to indicate a greater degree of the quality.
Medieval Scottish literature often describes winter as 'dour,' which is why the word stuck around in English—it perfectly captures that relentless gray-sky dreariness.
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