decode

verb

de·​code (ˌ)dē-ˈkōd How to pronounce decode (audio)
decoded; decoding; decodes
Synonyms of decodenext

transitive verb

1
a
: to convert (something, such as a coded message) into intelligible form
b
: to recognize and interpret (an electronic signal)
2
b
: to discover the underlying meaning of
decode the play's imagery

Did you know?

To decode is to take out of code and put into understandable language. (Its opposite is encode, "to put into coded form".) But dreams may sometimes also be decoded; psychologists often try to decode the images of their patients' dreams so as to understand the emotions behind them. And readers must often decode what a novel or story or poem is telling them, which may require two or three readings. Decipher is often a synonym, though we now use it when talking about reading difficult handwriting.

Examples of decode in a Sentence

Readers can easily decode the novel's imagery. I'm trying to decode the expression on her face. The box decodes the digital signal for your CD player.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The goal is to unlock the extreme sensitivity necessary to decode a cell’s full molecular makeup, ultimately accelerating drug development. Mrigakshi Dixit, Interesting Engineering, 18 Mar. 2026 These signals are public, so anyone with a relatively cheap receiver and a little bit of know-how can decode the signals to display a plane’s locations digitally. Graham Rapier, Condé Nast Traveler, 17 Mar. 2026 For years, scientists have been working to remedy that by developing devices that can decode brain signals and translate them into computer cursor movements or text. Tanya Lewis, Scientific American, 16 Mar. 2026 Brain-computer interfaces have been shown to help patients communicate, often by tracking their eye movement or by decoding brain activity associated with speech or handwriting. O. Rose Broderick, STAT, 16 Mar. 2026 See All Example Sentences for decode

Word History

First Known Use

1896, in the meaning defined at sense 1a

Time Traveler
The first known use of decode was in 1896

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Cite this Entry

“Decode.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/decode. Accessed 21 Mar. 2026.

Kids Definition

decode

verb
de·​code (ˈ)dē-ˈkōd How to pronounce decode (audio)
: to change (as a secret message) from code into ordinary language
decoder noun

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