Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “sour”

sour

adjective  /sɑʊər/ us  

sour adjective (TASTE)

(esp. of food) having a sharp taste: The four basic tastes are sweet, salty, bitter, and sour.

sour adjective (UNPLEASANT)

unfriendly or unpleasant in manner or attitude: The team’s perfect season went/turned sour after they lost their second straight game.

sour

verb  /sɑʊər/ us  

sour verb (TASTE)

[I] to become sour: I’m afraid the milk has soured.

sour verb (UNPLEASANT)

[I/T] to become bad or unpleasant, or cause someone to feel bad or unhappy: [I] When the economy soured, donations to the charity dried up.
(Definition of sour from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of sour?
Add Cambridge dictionaries to your browser to your website

More American English definitions for “sour”

Definitions of “sour” in other dictionaries

Word of the Day

give the green light to sth

to give permission for someone to do something or for something to happen

Word of the Day

Highly delighted, bitterly disappointed, ridiculously cheap: adverbs for emphasis.

by Liz Walter,
October 22, 2014
We often make adjectives stronger by putting an adverb in front of them. The most common ones are very and, for a stronger meaning, extremely: He was very pleased. The ship is extremely large. However, we don’t use very or extremely for adjectives that already have a strong meaning, for example fantastic,

Read More 

life tracking noun

October 20, 2014
the use of one or more devices or apps to monitor health, exercise, how time is spent, etc.

Read More