Definition of on a sour note
- Their relationship ended on a sour note.
: having the acid taste or smell of or as if of fermentation : turned
: of or relating to fermentation
: something sour
: the primary taste sensation produced by acid stimuli
: a cocktail consisting of a liquor (such as whiskey), lemon or lime juice, sugar, and sometimes ice
: to become sour
: to make sour
: to notice or observe with care
: to record or preserve in writing
: to make special mention of or remark on
: melody, song
: call, sound
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