colour
Americannoun
noun
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an attribute of things that results from the light they reflect, transmit, or emit in so far as this light causes a visual sensation that depends on its wavelengths
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the aspect of visual perception by which an observer recognizes this attribute
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the quality of the light producing this aspect of visual perception
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( as modifier )
colour vision
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Also called: chromatic colour.
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a colour, such as red or green, that possesses hue, as opposed to achromatic colours such as white or black
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( as modifier ) Compare black-and-white
a colour television
a colour film
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a substance, such as a dye, pigment, or paint, that imparts colour to something
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the skin complexion of a person, esp as determined by his race
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( as modifier )
colour prejudice
colour problem
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the use of all the hues in painting as distinct from composition, form, and light and shade
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the quantity and quality of ink used in a printing process
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the distinctive tone of a musical sound; timbre
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vividness, authenticity, or individuality
period colour
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semblance or pretext (esp in the phrases take on a different colour, under colour of )
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a precious mineral particle, esp gold, found in auriferous gravel
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physics one of three characteristics of quarks, designated red, blue, or green, but having no relationship with the physical sensation
verb
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to give or apply colour to (something)
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(tr) to give a convincing or plausible appearance to (something, esp to that which is spoken or recounted)
to colour an alibi
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(tr) to influence or distort (something, esp a report or opinion)
anger coloured her judgment
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to become red in the face, esp when embarrassed or annoyed
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(intr) (esp of ripening fruit) to change hue
Spelling
See -or 1.
Other Word Forms
Derived Forms
Etymology
Origin of colour
C13: from Old French colour from Latin color tint, hue
Explanation
Red, black, lime green, hot pink — these are all examples of colours, or the different kinds of hues that objects have (spelled the British way). Imagine the colours of the rainbow or the colours in a box of crayons. But don't get thrown off by the spelling of this word for pigmentation. When Noah Webster was compiling his dictionary in 1828, he wanted to emphasize that the young United States spoke a different dialect than Britain. Colour with a "u" is a British spelling, and it was probably Webster who shortened it to color in America. Words like honour and flavour got the same treatment.
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.
Several local children with the condition joined him for a ceremony to illuminate the building in the campaign colour, teal.
From BBC • Jun. 8, 2026
"Yes, I do. The fundamentals aren't to do with the colour of the skin of people running our High Streets. It's to do with long-term decline and neglect."
From BBC • Jun. 7, 2026
A poll last year by More in Common suggested that 74% of English people believe that someone can be English regardless of their skin colour or ethnic background.
From BBC • Jun. 4, 2026
On top of that, 12 countries have released a third shirt that is a different colour to their first two shirts.
From BBC • Jun. 3, 2026
She has more colour in her cheeks than usual, and looks, oh, so sweet.
From "Dracula" by Bram Stoker
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.