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unimpeachable

adjective

unimpeachable is spelled U-N-I-M-P-E-A-C-H-A-B-L-E: 13 letters and 5 syllables. It appears about once in every 5 million words in written English, the 69,884th most frequent word form (wordfreq, 2021 data). As an adjective, unimpeachable means “Not able to be impeached or reproached” (English Wiktionary, September 2026).

How many letters and syllables are in unimpeachable?

Letters13: U-N-I-M-P-E-A-C-H-A-B-L-E
Syllables5 (from its American pronunciation)
In writingabout once in every 5 million words; the 69,884th most frequent word form
Wrong spellings searchednone measured in search

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

How common is unimpeachable?

Unimpeachable appears about once in every 5 million words in written English, the 69,884th 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 unimpeachable?

  • UK

Unimpeachable has 5 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-uk-unimpeachable.oga, LL-Q1860_(eng)-Vealhurl-unimpeachable.wav, Wikimedia Commons (author and licence on each file's page).

Forms of unimpeachable

  • more unimpeachable comparative
  • most unimpeachable superlative

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

What does unimpeachable mean?

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

adjective

  1. 1

    Not able to be impeached or reproached.

    a gentleman of unimpeachable integrity

  2. 2

    Blameless.

  3. 3

    Beyond doubt.

    an unimpeachable alibi

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

Where does unimpeachable come from?

From un- + impeachable.

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

What to look up after unimpeachable