What does it mean?
severe or gloomy; unfriendly and unresponsive towards others; grimly or stubbornly determined
Synonyms:
gloomy, grim, harsh, sullen, sour
Antonyms:
happy, cheerful, bright
Usage:
Her dour criticism made him unhappy.
His movies are usually dour.
Its origin:
This word originated from the Latin word durus which means hard