indecipherable

adjective

in·​de·​ci·​pher·​able ˌin-di-ˈsī-f(ə-)rə-bəl How to pronounce indecipherable (audio)
Synonyms of indecipherablenext
: incapable of being deciphered
indecipherable writing
an indecipherable message
indecipherably adverb

Synonyms of indecipherable

Examples of indecipherable in a Sentence

His handwriting is almost indecipherable. after so many years the paper label in the drawer of the antique desk is indecipherable
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.
Steven Soderbergh’s art-forgery movie looks cool, as does Digger, the indecipherable Tom Cruise–Alejandro Iñárritu thing. Josh Tyrangiel, The Atlantic, 22 Mar. 2026 Apple’s new guidelines might be a sign that the music industry understands why people want Sienna’s indecipherable shirts to come with a Transparency Tag. Jennifer Zhan, Vulture, 5 Mar. 2026 The highway sign was nearly indecipherable beneath layers of stickers and graffiti. Josh Jackson, Los Angeles Times, 5 Feb. 2026 Two streetlamps engaged in a mute but luminous dialogue, an indecipherable Morse code, alluding to the silent exchanges and secret ciphers of strangers who meet there for their trysts. Javier Montes, Artforum, 1 Jan. 2026 See All Example Sentences for indecipherable

Word History

First Known Use

1802, in the meaning defined above

Time Traveler
The first known use of indecipherable was in 1802

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Cite this Entry

“Indecipherable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/indecipherable. Accessed 4 Apr. 2026.

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