Definition of Sour

Verb: sour  saw(-u)r

1. Go sour or spoil
   "The milk has soured";
   - turn, ferment, work
    
2. Make sour or more sour
   "For example, acidulate fresh cream by adding lemon juice to produce sour cream";
   - acidify, acidulate, acetify

Adjective: sour (sourer,sourest)  saw(-u)r

1. Smelling of fermentation or staleness
   - rancid
    
2. Having a sharp biting taste
    
3. One of the four basic taste sensations; like the taste of vinegar or lemons
    
4. In an unpalatable state
   "sour milk";
   - off, turned
    
5. Inaccurate in pitch
   "a sour note";
   - false, off-key
    
6. Showing a brooding ill humour
   "a sour temper";
   - dark, dour, glowering, glum, moody, morose, saturnine, sullen

Noun: sour  saw(-u)r

1. A cocktail made of a liquor (especially whiskey or gin) mixed with lemon or lime juice and sugar
    
2. The taste experience when vinegar or lemon juice is taken into the mouth
   - sourness, tartness
    
3. The property of being acidic
   - sourness, acidity

See also:
soupy
sourball

Anagrams containing the word sour

sruo rsou urso ours