adjective, sourer, sourest.
having an acid taste, resembling that of vinegar, lemon juice, etc.; tart.
rendered acid or affected by fermentation; fermented.
producing the one of the four basic taste sensations that is not bitter, salt, or sweet.
characteristic of something fermented:
a sour smell.
distasteful or disagreeable; unpleasant.
below standard; poor.
harsh in spirit or temper; austere; morose; peevish.
Agriculture. (of soil) having excessive acidity.
(of gasoline or the like) contaminated by sulfur compounds.
Music. off-pitch; badly produced:
a sour note.
something that is sour.
any of various cocktails consisting typically of whiskey or gin with lemon or lime juice and sugar and sometimes soda water, often garnished with a slice of orange, a maraschino cherry, or both.
an acid or an acidic substance used in laundering and bleaching to neutralize alkalis and to decompose residual soap or bleach.
verb (used without object)
to become sour, rancid, mildewed, etc.; spoil:
Milk sours quickly in warm weather. The laundry soured before it was ironed.
to become unpleasant or strained; worsen; deteriorate:
Relations between the two countries have soured.
to become bitter, disillusioned, or disinterested:
I guess I soured when I learned he was married. My loyalty soured after his last book.
Agriculture. (of soil) to develop excessive acidity.
verb (used with object)
to make sour; cause sourness in:
What do they use to sour the mash?
to cause spoilage in; rot:
Defective cartons soured the apples.
to make bitter, disillusioned, or disagreeable:
One misadventure needn’t have soured him. That swindle soured a great many potential investors.
having or denoting a sharp biting taste like that of lemon juice or vinegar Compare bitter (sense 1)
made acid or bad, as in the case of milk or alcohol, by the action of microorganisms
having a rancid or unwholesome smell
(of a person’s temperament) sullen, morose, or disagreeable
(esp of the weather or climate) harsh and unpleasant
disagreeable; distasteful: a sour experience
(of land, etc) lacking in fertility, esp due to excessive acidity
(of oil, gas, or petrol) containing a relatively large amount of sulphur compounds
go sour, turn sour, to become unfavourable or inharmonious: his marriage went sour
(mainly US) any of several iced drinks usually made with spirits, lemon juice, and ice: a whiskey sour
an acid used in laundering and bleaching clothes or in curing animal skins
to make or become sour
a variant spelling of Sur
- Sour on
Become disenchanted with, take a dislike to, as in At first they liked the new supervisor, but now they’ve soured on her. [ c. 1860 ]
noun 1. See under orange (def 2). noun 1. a globose, reddish-yellow, bitter or sweet, edible citrus fruit. 2. any white-flowered, evergreen citrus trees of the genus Citrus, bearing this fruit, as C. aurantium (bitter orange, Seville orange, or sour orange) and C. sinensis (sweet orange) cultivated in warm countries. 3. any of several other […]
noun, Informal. 1. a person having a grouchy disposition that is often accompanied by a scowling facial expression. noun 1. (informal) a person whose facial expression or nature is habitually gloomy or sullen sour
noun 1. crystals of citric acid used as a flavoring in foods, carbonated beverages, and pharmaceuticals.