- The definition of sour is something with an acidic taste, or someone who is resentful or angry.
- Milk that has gone bad is an example of something that would be described as sour.
- The unsweetened juice of a lemon is an example of something that would be described as sour.
- A person with a grumpy and rude personality who is angry all the time is an example of someone who would be described as having a sour personality.
- Sour is to cause dissatisfaction, or is to go bad or rotten.
- When you really like a band but then they come out against something you believe in and you really don't respect them after that, this is an example of when you sour on the band.
- When milk goes bad, this is an example of when it sours.
- having the sharp, acid taste of lemon juice, vinegar, green fruit, etc.
- made acid or rank by or as by fermentation: sour milk
- cross, bad-tempered, peevish, morose, etc.: a sour mood
- ill-disposed and bitter: sour toward former associates
- below what is usual or normal; poor; bad: his game has gone sour
- distasteful or unpleasant
- gratingly wrong or off pitch: a sour note
- excessively acid: said of soil
- tainted with sulfur compounds: said of gasoline, etc.
Origin of sourMiddle English soure ; from Old English sur, akin to German sauer, Old Norse sūrr ; from Indo-European an unverified form suro-, sour, salty from source Latvian sũrs, salty, bitter
- that which is sour; something sour
- ☆ a cocktail made with lemon or lime juice, sugar, and, usually, soda water: a whiskey sour
- Having a taste characteristic of that produced by acids; sharp, tart, or tangy.
- Made acid or rancid by fermentation.
- Having the characteristics of fermentation or rancidity; tasting or smelling of decay.
- a. Bad-tempered and morose; peevish: a sour temper.b. Displeased with something one formerly admired or liked; disenchanted: sour on ballet.
- a. Not measuring up to the expected or usual ability or quality; bad: a sour performance of the play.b. Not having the correct or properly produced pitch: a sour note.
- Of or relating to excessively acid soil that is damaging to crops.
- a. Containing excessive levels of sulfur compounds, carbon dioxide, or both. Used of oil and natural gas.b. Containing excessive levels of peroxides. Used of gasoline.
- The sensation of sour taste, one of the four primary tastes.
- Something sour.
- A mixed drink made especially with whiskey, lemon or lime juice, sugar, and sometimes soda water.
tr. & intr.v.soured, sour·ing, sours
- To make or become sour.
- To make or become disagreeable, disillusioned, or disenchanted.
Origin of sourMiddle English, from Old English sūr.
(comparative sourer, superlative sourest)
- Having an acidic, sharp or tangy taste.
- Lemons have a sour taste.
- Made rancid by fermentation, etc.
- Tasting or smelling rancid.
- Peevish or bad-tempered.
- He gave me a sour look.
- (of soil) Excessively acidic and thus infertile.
- sour land; a sour marsh
- (of petroleum) Containing excess sulfur.
- Unfortunate or unfavorable.
(countable and uncountable, plural sours)
(third-person singular simple present sours, present participle souring, simple past and past participle soured)
- A sour or acid substance; whatever produces a painful effect.
From Middle English sour, from Old English sūr (“sour”), from Proto-Germanic *sūraz (“sour”), from Proto-Indo-European *sūr- (“sour (milk)”). Cognate with West Frisian soer, Dutch zuur (“sour”), Low German suur, German sauer (“sour”), Danish and Swedish sur (“sour”), French sur (“sour”), Icelandic súr (“sour, bitter”).