decode
Americanverb (used with object)
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to translate (data or a message) from a code into the original language or form.
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to extract meaning from (spoken or written symbols).
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Television. to unscramble (an electronic signal) so as to provide a video picture for cable subscribers.
verb (used without object)
verb
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to convert (a message, text, etc) from code into ordinary language
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computing to convert (coded characters) from one form to another, as from binary-coded decimals to decimal numbers Compare encode
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electronics to convert (a coded electrical signal) into normal analogue components
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to analyse and understand the construction of words and phrases, esp in a foreign language
Other Word Forms
Etymology
Origin of decode
Explanation
When you translate a message from symbols or code into language, you decode it. British code breakers worked during World War II to decode Germany's coded messages. You might need to decode a secret message sent by a spy, but some computer scientists also decode the symbols in computer languages into grammatically correct language. Sometimes older people don't understand the lingo that younger people are using — they might ask a grandchild to help them decode lines in a song, for example. When sound engineers translate between analog and digital signals, they also decode.
Vocabulary lists containing decode
All the Noise at Once
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Explain
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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 hidden number inside the envelope would finally allow him to decode his team's results.
From Science Daily • May 18, 2026
But it might take some time to decode them.
From Salon • May 10, 2026
Cerebras claims its chips process AI model decode tasks up to 25 times faster than Nvidia’s GPUs, offering a premium service.
From The Wall Street Journal • Mar. 13, 2026
To read the data requires a special microscope that can see each layer, then decode the information using an algorithm powered by artificial intelligence.
From Barron's • Feb. 18, 2026
After Emily and Matthew returned home, she spent over an hour trying to decode the odd little symbols on the flyer with no luck.
From "Book Scavenger" by Jennifer Chambliss Bertman
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.
