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undecipherable

/ʌndɪˈsaɪfəɹəbəl/adjective

undecipherable is spelled U-N-D-E-C-I-P-H-E-R-A-B-L-E: 14 letters. It appears about once in every 26 million words in written English, the 154,067th most frequent word form (wordfreq, 2021 data). As an adjective, undecipherable means “Not easily deciphered; difficult to read” (English Wiktionary, September 2026).

How many letters and syllables are in undecipherable?

Letters14: U-N-D-E-C-I-P-H-E-R-A-B-L-E
In writingabout once in every 26 million words; the 154,067th most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is undecipherable?

Undecipherable appears about once in every 26 million words in written English, the 154,067th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce undecipherable?

  • /ʌndɪˈsaɪfəɹəbəl/
  • /ʌndɪˈsaɪfɹəbəl/
  • /ʌndə-/

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Forms of undecipherable

  • more undecipherable comparative
  • most undecipherable superlative

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does undecipherable mean?

The meanings the English Wiktionary records, quoted as written there (source below).

adjective

  1. 1

    Not easily deciphered; difficult to read.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Where does undecipherable come from?

From un- + decipherable.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after undecipherable