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English definition of “sad”

sad

adjective     /sæd/ (sadder, saddest)
NOT HAPPY A1 unhappy or making you feel unhappy: I was very sad when our cat died. a sad book/movie [+ that] It's a bit sad that you'll miss our wedding. [+ to do sth] I was sad to see him go.Feeling sad and unhappy
NOT SATISFACTORY [always before noun] not pleasant or satisfactory: The sad truth is that we've failed.Not of good qualityRubbish and wasteInformal words for badInformal words for badRubbish and wasteSerious and unpleasantNot of good quality
NOT FASHIONABLE UK informal boring or not fashionable: You enjoy reading timetables? You sad man!Tedious and uninspiringOld or old-fashionedThe elderly
sadness noun [U] B2 We could see the sadness in their faces.
(Definition of sad adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

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