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
Derived Forms
Inflected Forms
Participles
Conjugated Forms
Present
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decodesimple
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decodessimple
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have decodedperfect
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has decodedperfect
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am decodingprogressive
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are decodingprogressive
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is decodingprogressive
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have been decodingperfect progressive
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has been decodingperfect progressive
Past
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decodedsimple
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had decodedperfect
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was decodingprogressive
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were decodingprogressive
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had been decodingperfect progressive
Future
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.
She has learned to decode nutrition labels and developed a taste for salads and nuts.
From Los Angeles Times • Jun. 14, 2026
But the global superstar - known for long-game teases and hidden Easter eggs that fans love to decode - has been coy on details of her wedding to American football star, Travis Kelce.
From BBC • Jun. 5, 2026
Fans in Manchester, N.H., were suddenly able to follow the soap opera at Manchester United, while supporters in Madrid, N.M., could decode the Kremlinological goings-on of Real Madrid.
From The Wall Street Journal • Jun. 5, 2026
CPUs can excel in this kind of sequential computing, but what you’d really like to have are purpose-built chips that can handle decode cheaply and efficiently, without, for example, the need for pricey off-chip memory.
From Barron's • Mar. 13, 2026
She never in a million years would have figured out how to decode James’s paragraph.
From "Book Scavenger" by Jennifer Chambliss Bertman
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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.