Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “sour”

sour

adjective uk   /saʊər/ us    /saʊr/

sour adjective (TASTE)

B1 having a sharp, sometimes unpleasant, taste or smell, like a lemon, and not sweet: These plums are a bit sour.

sour adjective (BAD FEELING)

unfriendly or easily annoyed: Overnight, it seemed, their relationship had turned sour. She gave me a sour look.
sourly
adverb uk   /ˈsaʊə.li/ us    /ˈsaʊr-/
sourness
noun [U] uk   /ˈsaʊə.nəs/ us    /ˈsaʊr-/

sour

verb [I or T] uk   /saʊər/ us    /saʊr/

sour verb [I or T] (TASTE)

to become sour or to make something become sour: Hot weather sours milk. Milk sours in hot weather.

sour verb [I or T] (BAD FEELING)

to (cause to) become unpleasant or unfriendly: Her whole attitude to life soured as a result of that experience. This affair has soured relations between the two countries.

sour

noun [C] uk   /saʊər/ us    /saʊr/ mainly US
a drink made from strong alcohol, lemon, or lime juice, sugar, and ice: a whisky sour
(Definition of sour from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of sour?
Add Cambridge dictionaries to your browser to your website

Definitions of “sour” in other dictionaries

Word of the Day

debut

the occasion when someone performs or presents something to the public for the first time

Word of the Day

Come on – you can do it! Phrasal verbs with ‘come’.

by Liz Walter​,
November 19, 2014
As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More