Longman Dictionary of Contemporary English homepage

Language: Old English
Origin: sur

sour

1 adjective
     
Related topics: Tastes, Food
sour1
1CT having a sharp acid taste, like the taste of a lemon or a fruit that is not ready to be eaten [≠ sweet; ↪ bitter]:
Rachel sampled the wine. It was sour.
sour cherries
sweet-and-sour
2DFCT milk or other food that is sour is not fresh and has a bad taste
turn/go sour (=become sour)
3 unfriendly or looking bad-tempered
sour look/face/smile etc
Eliza was tall and thin, with a rather sour face.
a sour-faced old man
4 informal if a relationship or plan turns or goes sour, it becomes less enjoyable, pleasant, or satisfactory:
As time went by, their marriage turned sour.
The meeting ended on a sour note with neither side able to reach agreement.
5

sour grapes

used to say that someone is pretending that they dislike something because they want it but cannot have it - used to show disapproval
sourly adverb
sourness noun [uncountable]
WORD FOCUS: taste WORD FOCUS: taste
delicious/tasty tastes very good
disgusting
tastes very bad
hot
/spicy has a lot of spices
bland
boring and with not very much taste
sweet
has a lot of sugar
salty
has a lot of salt
sour
used about fruit that is not sweet
bitter
used about coffee, chocolate, or medicine that is not at all sweet
taste

See also
taste

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