sour

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sour

1. made acid or bad, as in the case of milk or alcohol, by the action of microorganisms
2. (esp of the weather or climate) harsh and unpleasant
3. (of oil, gas, or petrol) containing a relatively large amount of sulphur compounds
4. Chiefly US any of several iced drinks usually made with spirits, lemon juice, and ice

sour

[sau̇r]
(chemistry)
Containing large amounts of malodorous sulfur compounds (such as mercaptans or hydrogen sulfide), as in crude oils, naphthas, or gasoline.
References in periodicals archive ?
If the economy of the United States goes sour, as now expected, so too does the economy of Ontario and .
Sometimes, investors look for a scapegoat to bear the loss of an investment that goes sour over a period of time, and bring suit hoping they can reach a private settlement and obtain large attorney's fees.
But when the plan goes sour, the couple must flee to Mexico as fast as they can, with a variety of gun-wielding thugs on their trail.
The latest from these aging alt-rockers has the feel of the funk that descends after a relationship goes sour, ruminations on what went wrong and visits to places your ex frequented.