sour
//saʊər//
Adjective
sourCanonical form
sourerComparative
sourestSuperlative
1
Having a sharp, acidic taste like lemon or vinegar.
This lemon is very sour.
2
(Of food) having gone bad due to fermentation; spoiled.
The milk has gone sour.
3
Having a bad-tempered, resentful, or unpleasant disposition.
She gave me a sour look when I arrived late.
Verb
1
To make or become sour in taste.
The milk soured in the heat.
2
To make or become unpleasant, unfriendly, or hostile.
The argument soured their friendship.
Noun
1
A cocktail made by mixing a spirit with lemon or lime juice and sugar.
I ordered a whiskey sour at the bar.