Meaning of 'sour'

adjective

smelling of fermentation or staleness

Synonyms: rancid

adjective

showing a brooding ill humor

Synonyms: dark

adjective

inaccurate in pitch

Example: "a false (or sour) note"

Synonyms: false

adjective

having a sharp biting taste

adjective

in an unpalatable state

Example: "sour milk"

Synonyms: off

adjective

one of the four basic taste sensations

Synonyms: salty

noun

the property of being acidic

Synonyms: sourness acidity

noun

the taste experience when vinegar or lemon juice is taken into the mouth

Synonyms: sourness tartness

noun

a cocktail made of a liquor (especially whiskey or gin) mixed with lemon or lime juice and sugar

verb

go sour or spoil

Example: "The milk has soured"

Synonyms: turn

verb

make sour or more sour

Synonyms: acidify acetify acidulate