tarnish
verb (used with object)
to dull the luster of (a metallic surface), especially by oxidation; discolor.
tarnishing
-
present participleof tarnish.present participle
A verb form that is used in progressive verb constructions and may also function as a modifier or a gerund.
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.
Gold has suffered a rough few months, tarnishing the bull case for the metal.
From The Wall Street Journal ● Jul. 21, 2026
Now, researchers at Tulane University have uncovered an important reason why the precious metal remains so resistant to tarnishing.
From Science Daily ● Jul. 12, 2026
She took down the post after union veterans accused her of tarnishing the movement, he said.
From Los Angeles Times ● Mar. 27, 2026
Subtle localization—without tarnishing the brands’ global image—has been central to recent success, analysts told Barron’s.
From Barron's ● Mar. 7, 2026
But there was nothing there but what had always been there: empty ocean the color of pewter, tarnishing to black now as night fell.
From "Son" by Lois Lowry
