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indistinguishable

[ˌɪn.dɪˈstɪŋ.ɡwɪ.ʃə.bl̩]adjective, noun

indistinguishable is spelled I-N-D-I-S-T-I-N-G-U-I-S-H-A-B-L-E: 17 letters and 6 syllables. It appears 1.4 times per million words in written English, the 23,536th most frequent word form (wordfreq, 2021 data). As an adjective, indistinguishable means “Not distinguishable; not capable of being perceived, known, or discriminated as separate and distinct” (English Wiktionary, September 2026).

How many letters and syllables are in indistinguishable?

Letters17: I-N-D-I-S-T-I-N-G-U-I-S-H-A-B-L-E
Syllables6 (from its American pronunciation)
In writing1.4 times per million words; the 23,536th 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 indistinguishable?

Indistinguishable appears 1.4 times per million words in written English, the 23,536th 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 indistinguishable?

  • [ˌɪn.dɪˈstɪŋ.ɡwɪ.ʃə.bl̩]

Indistinguishable has 6 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: LL-Q1860_(eng)-Vealhurl-indistinguishable.wav, Wikimedia Commons (author and licence on each file's page).

Forms of indistinguishable

  • more indistinguishable comparative
  • most indistinguishable superlative
  • indistinguishables plural

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

What does indistinguishable mean?

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

adjective

  1. 1

    Not distinguishable; not capable of being perceived, known, or discriminated as separate and distinct

  2. 2

    Not capable of being perceived or known.

noun

  1. 1

    Any of a set of things that cannot be distinguished.

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

Indistinguishable in Spanish, French, German and Portuguese

In the sense not distinguishable:

LanguageWords
Frenchindistinguable, indistinguible
Portugueseindistinguível
Spanishindistinguible

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does indistinguishable come from?

From in- + distinguishable.

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

What to look up after indistinguishable