sour
adjective
having an acid taste, resembling that of vinegar, lemon juice, etc.; tart.
has been souring
-
present perfect progressiveof sour (3rd person singular).present perfect progressive
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
While Mexican President Claudia Sheinbaum has been trying to forge a closer relationship with Trump, even imposing 50% tariffs on Chinese imports, External link the U.S. relationship with Canada has been souring.
From Barron's ● Feb. 11, 2026
Wall Street, too, has been souring on the airline industry.
From Time Magazine Archive
