Sour meaning

sour
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.

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Made acid or rancid by fermentation.
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Having the sharp, acid taste of lemon juice, vinegar, green fruit, etc.
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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.

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Having a taste characteristic of that produced by acids; sharp, tart, or tangy.
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Having the characteristics of fermentation or rancidity; tasting or smelling of decay.
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Of or relating to excessively acid soil that is damaging to crops.
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The sensation of sour taste, one of the four primary tastes.
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Something sour.
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A mixed drink made especially with whiskey, lemon or lime juice, sugar, and sometimes soda water.
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To make or become sour.
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To make or become disagreeable, disillusioned, or disenchanted.
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Made acid or rank by or as by fermentation.

Sour milk.

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Below what is usual or normal; poor; bad.

His game has gone sour.

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Distasteful or unpleasant.
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Gratingly wrong or off pitch.

A sour note.

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Excessively acid.
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Tainted with sulfur compounds.
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That which is sour; something sour.
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A cocktail made with lemon or lime juice, sugar, and, usually, soda water.

A whiskey sour.

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To make or become sour.

The milk will sour, soured on life.

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Having an acidic, sharp or tangy taste.

Lemons have a sour taste.

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Made rancid by fermentation, etc.

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Tasting or smelling rancid.

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He gave me a sour look.

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(of soil) Excessively acidic and thus infertile.

Sour land; a sour marsh.

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(of petroleum) Containing excess sulfur.

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The sensation of a sour taste.

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A drink made with whiskey, lemon or lime juice and sugar.

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(by extension) Any cocktail containing lemon or lime juice.
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To make or become sour.

Too much lemon juice will sour the recipe.

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To make or become disenchanted.

We broke up after our relationship soured.

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To make (soil) cold and unproductive.

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To macerate (lime) and render it fit for plaster or mortar.
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A sour or acid substance; whatever produces a painful effect.

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Origin of sour

  • Middle English from Old English sūr

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle English sour, from Old English sÅ«r (“sour"), from Proto-Germanic *sÅ«raz (“sour"), from Proto-Indo-European *sÅ«r- (“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").

    From Wiktionary