illustration
Americannoun
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something that illustrates, as a picture in a book or magazine.
-
a comparison or an example intended for explanation or corroboration.
- Synonyms:
- explication
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the act or process of illuminating.
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the act of clarifying or explaining; elucidation.
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Archaic. illustriousness; distinction.
noun
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pictorial matter used to explain or decorate a text
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an example or demonstration
an illustration of his ability
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the act of illustrating or the state of being illustrated
Related Words
See case 1.
Other Word Forms
Etymology
Origin of illustration
First recorded in 1325–75; Middle English, from Latin illustrātiōn- (stem of illustrātiō ) “the act of making vivid, illustrating”; see illustrate, -ion
Explanation
When the written instructions get tough, look for an illustration — a picture — to figure out what to do. Assembling furniture? Numbered diagrams and other illustrations can help you avoid the dreaded pile of "leftover" pieces. An illustration can also be a helpful example that isn't visual at all. A coworker who comes to work with a terrible cold and gives it to the whole office is an illustration of what happens when a boss discourages the use of sick days. You hope that the boss isn't an illustration of management at that company! If so, maybe these workers do need a visual: an illustration that shows hand-washing techniques and other ways to avoid germs.
Vocabulary lists containing illustration
Vocabulary of the Common Core
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TEKS ELAR Academic Vocabulary List (5th-7th grades)
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Florida EOC Biology 1
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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.
The dating test furnishes a neat illustration: three profiles—identical in every respect except astrological sign, all showing the same picture of a young man named “Michael”—were created on a popular Chinese dating app.
From Slate • May 5, 2026
For illustration, $1,900 is currently the average individual monthly Social Security payment.
From MarketWatch • Apr. 16, 2026
The latest week provides a good illustration: Tuesday saw shares turn in their best day in months, with the Dow gaining 1,125 points, or 2.49%, and the other indices roughly matching its performance.
From Los Angeles Times • Apr. 3, 2026
Perhaps the most striking illustration of the transformation of Germany's role in Europe is the attitude of its neighbours.
From BBC • Mar. 27, 2026
Dr. Lee asked questions of the supposed spirits while the man cracked his ankles in response, providing, “a more striking illustration of ‘spiritual knockings’ than the Foxes ever dreamed of.”
From "American Spirits" by Barb Rosenstock
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.
