• synonyms


  1. Ophthalmology. pertaining to or affected with color blindness.
  2. Photography. (of an emulsion) sensitive only to blue, violet, and ultraviolet rays.
  3. showing or characterized by freedom from racial bias; not influenced by skin color.
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Origin of color-blind

First recorded in 1850–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for colorblind

Contemporary Examples

colorblind in Medicine


  1. Partially or totally unable to distinguish certain colors.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

colorblind in Science


  1. Unable to distinguish certain colors. Humans who are colorblind usually cannot distinguish red from green. Many animals, including cats and dogs, are colorblind and unable to distinguish more than a few colors.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.