dis·​col·​or | \ (ˌ)dis-ˈkə-lər How to pronounce discolor (audio) \
discolored; discoloring; discolors

Definition of discolor

transitive verb

: to alter or change the hue or color of

intransitive verb

: to change color especially for the worse

Examples of discolor in a Sentence

The fabric is guaranteed not to discolor. The wine stain discolored the rug.

Recent Examples on the Web

Don't use mastic with glass tiles; the impermeable tiles prevent the moisture in the mastic from evaporating, and the adhesive may discolor over time and be visible through the tile. Joseph Truini, Popular Mechanics, "Your Quick and Dirty Guide to Tiling a Kitchen Backsplash," 26 Apr. 2019 Otherwise, the residual chemicals in the stripper can discolor the new paint and prevent it from securely bonding to the wood’s surface. Joseph Truini, Popular Mechanics, "How to Safely Remove Paint," 25 Jan. 2019 Panels of polycarbonate, acrylic and fiberglass are resilient, good insulators and have excellent light transmission, although fiberglass can discolor over time. Joseph Truini, Popular Mechanics, "How to Build a Greenhouse," 28 Jan. 2019 The back of his hand and wrist were also swollen and discolored. Bartie Scott, Teen Vogue, "Raw Seafood Reportedly Led to Amputation for One Man," 30 Aug. 2018 Residents complained about ailments and brought discolored tap water to meetings. Washington Post, "Doctor pens book on her role in revealing Flint water crisis," 15 June 2018 And taking too much vitamin B12 can have side effects such as rashes, acne, increasing blood pressure, facial flushing, and discolored urine. Cheryl Wischhover, Vox, "These new vape companies want you to inhale ... vitamins," 24 Oct. 2018 Encased inside these easy-to-use, portable packets, this face peel treatment is ideal for acne-prone and discolored skin, as well as uneven textures, fine lines, and large pores. Tanisha Pina, Allure, "Dermstore’s Massive Labor Day Beauty Sale Has Already Started — Here’s What to Shop," 28 Aug. 2018 The coating on a radio’s metal chassis may be discolored, similar to silver becoming tarnished. New York Times, "Her Job: Help the Troops Do Theirs," 6 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'discolor.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of discolor

14th century, in the meaning defined at transitive sense

History and Etymology for discolor

Middle English discolouren, from Anglo-French desculurer, from Late Latin discolorari, from Latin discolor of another color, from dis- + color color

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Statistics for discolor

Last Updated

10 Jun 2019

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Time Traveler for discolor

The first known use of discolor was in the 14th century

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More Definitions for discolor



English Language Learners Definition of discolor

: to change in color especially in a bad way


dis·​col·​or | \ dis-ˈkə-lər How to pronounce discolor (audio) \
discolored; discoloring

Kids Definition of discolor

: to change in color especially for the worse

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More from Merriam-Webster on discolor

Rhyming Dictionary: Words that rhyme with discolor

Spanish Central: Translation of discolor

Nglish: Translation of discolor for Spanish Speakers

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