English dictionary

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English adjective: sour

1. sour smelling of fermentation or staleness


Similarill-smelling, malodorous, malodourous, stinky, unpleasant-smelling


2. sour having a sharp biting taste

Similaracerb, acerbic, acetose, acetous, acid, acidic, acidulent, acidulous, astringent, lemonlike, lemony, sourish, subacid, tangy, tart, vinegarish, vinegary

See alsodry, soured, tasty


3. sour one of the four basic taste sensations; like the taste of vinegar or lemons



4. sour in an unpalatable state

SamplesSour milk.

Synonymsoff, turned



5. sour inaccurate in pitch

SamplesA false (or sour) note.
Her singing was off key.

Synonymsfalse, off-key

Similarinharmonious, unharmonious


6. sour showing a brooding ill humor

SamplesA dark scowl.
The proverbially dour New England Puritan.
A glum, hopeless shrug.
He sat in moody silence.
A morose and unsociable manner.
A saturnine, almost misanthropic young genius.
A sour temper.
A sullen crowd.

Synonymsdark, dour, glowering, glum, moody, morose, saturnine, sullen



English noun: sour

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

Broader (hypernym)cocktail

Narrower (hyponym)whiskey sour, whisky sour

2. sour (cognition) the taste experience when vinegar or lemon juice is taken into the mouth

Synonymssourness, tartness

Broader (hypernym)gustatory perception, gustatory sensation, taste, taste perception, taste sensation

Narrower (hyponym)acidity, acidulousness

3. sour (attribute) the property of being acidic

Synonymsacidity, sourness

Broader (hypernym)taste property

Narrower (hyponym)acerbity, tartness, vinegariness, vinegarishness

English verb: sour

1. sour (change) go sour or spoil

SamplesThe milk has soured.
The wine worked.
The cream has turned--we have to throw it out.

Synonymsferment, turn, work

Pattern of useSomething ----s

Broader (hypernym)change state, turn

Verb groupferment, work

2. sour (perception) make sour or more sour

Synonymsacetify, acidify, acidulate

Pattern of useSomething ----s.
Somebody ----s something.
Something ----s something

Broader (hypernym)change taste

Antonymsdulcify, dulcorate, edulcorate, sweeten

Based on WordNet 3.0 copyright © Princeton University.
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