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English definition of “sad”

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sad

adjective  /sæd/ (-dd-) us  

sad adjective (NOT HAPPY)

showing, feeling, or causing unhappiness or regret: I’ve just heard the saddest news.

sad adjective (UNPLEASANT)

very bad or regretted: The sad fact is that all the trees have got the virus.
Idioms
(Definition of sad from the Cambridge Academic Content Dictionary © Cambridge University Press)
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