from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Lacking color.
  • adj. Weak in color; pallid.
  • adj. Lacking animation, variety, or distinction; dull. See Synonyms at dull.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Alternative spelling of colourless.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Without color; not distinguished by any hue; transparent; ; a colorless gas.
  • adj. Free from any manifestation of partial or peculiar sentiment or feeling; not disclosing likes, dislikes, prejudice, etc..
  • adj. having lost its normal color.

from The Century Dictionary and Cyclopedia

  • Destitute of color; not distinguished by any hue; transparent, blanched, or entirely white: as, colorless water, glass, or gas; colorless cheeks or hair.
  • In botany: Having no other color than green.
  • Pale or hyaline. Jackson, Glossary.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. lacking in variety and interest
  • adj. weak in color; not colorful


from Wiktionary, Creative Commons Attribution/Share-Alike License

color +‎ -less


  • We know Adam Smith as we know the ancients, in colorless stone.

    A Wealth Of Ideas

  • Color or colorless, that is the question by Steve Windisch (jibbguy) on Tuesday, Nov 18, 2008 at 2: 51: 56 PM

    Opinion: Distinguishing the Difference Between a News Story and an Editorial

  • You know, natural gas is odorless and colorless, which is why they add this mercaptan.

    CNN Transcript Jan 8, 2007

  • The basic prana-aura is practically colorless, that is to say, it is about the color of the clearest water or a very clear diamond.

    The Human Aura Astral Colors and Thought Forms

  • Its color, at H grade, or near colorless, ranks below the top rating of so-called colorless diamonds.

  • Chloroform is defined as a colorless, heavy toxic liquid with an ether odor that is used as a solvent or veterinary anesthetic.

    Columbia Missourian: Latest Articles

  • Calif., in 1958, felt alienated from his suburban environment, which he's described as colorless and conformist.

    Christian Science Monitor | All Stories

  • After a months-long deadlock and half a dozen inconclusive votes, the world's atomic energy watchdog on Thursday elected as its leader a Japanese diplomat described as colorless by foes and competent by allies.

    War in Context

  • Although Simpson talked about being "colorless," he was actually quite conscious of playing the race card.

    Day & Night

  • Since the supplemental money for the war was what is called "colorless", i.e. could be allocated for whatever was needed, there are concerns that the contractor bills took precedence over other traditional Army needs such as body armor, night vision goggles, and other critical combat equipment.

    Dina Rasor: General Moral Courage


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  • "Significantly, the English word colorless, which had until then only been a synonym for pale, took on a new and less flattering meaning during this period: it became a derogatory adjective describing a person or object 'without distinctive character, vividness, or picturesqueness.'"

    Amy Butler Greenfield, A Perfect Red: Empire, Espionage, and the Quest for the Color of Desire (New York: Harper Collins, 2005), 249.

    (Time period is the 1850s-1860s.)

    See also snazzycolored, and Carmen.

    October 6, 2017