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.
But the messy sound rendered his singing indecipherable, a problem that persisted throughout the 2-hour and 45-minute performance. Melissa Ruggieri, USA Today, 14 June 2026 In the calls obtained by PEOPLE on Thursday, the 20 year old can be heard switching into a fast-paced, virtually indecipherable code language while speaking with her mother, Natalie. Ryan Coleman, Entertainment Weekly, 21 May 2026 The final submission—a six-line poem from Akil—was cryptic, nearly indecipherable. Literary Hub, 11 May 2026 In Islamabad, the almost indecipherable whisper of leaks has turned to crickets. Nic Robertson, CNN Money, 23 Apr. 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 17 Jun. 2026.

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