red
noun
any of various colors resembling the color of blood; the primary color at one extreme end of the visible spectrum, an effect of light with a wavelength between 610 and 780 nanometers.
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.
As a galaxy moves away, its light is stretched toward redder wavelengths in the electromagnetic spectrum.
From Science Daily ● Jul. 25, 2026
This is because the sunlight it reflects reaches us through a more dense part of the Earth's atmosphere which scatters blue and violet light, and means only the redder hues reach us.
From BBC ● Mar. 29, 2026
As Arizona yielded to New Mexico, the dirt seemed to get redder and the ridges rose to form buttes.
From Los Angeles Times ● Dec. 9, 2025
He got redder and redder in the face, yelling and leading the crowd in chants of “Shame on Sliwa!”
From Slate ● Nov. 5, 2025
And Mr. Pignati started right up after him, puffing like crazy his face redder than a beet.
From "The Pigman" by Paul Zindel
