Word.ws English Dictionary

undistinguishable

UK/ˌʌndɪˈstɪŋɡwɪʃəb(ə)l/

undistinguishable adjective: imperceptible; indistinct.

Adjective

undistinguishable (comparative more undistinguishable, superlative most undistinguishable)

  1. Imperceptible; indistinct.
  2. Indistinguishable.
    • Here I obtained the rare and beautiful swallow-tail butterflies, Papilio aenomaus and P. liris; the males of which are quite unlike each other, and belong in fact to distinct sections of the genus, while the females are so much alike that they are undistinguishable on the wing, and to an uneducated...1869, Alfred Russel Wallace, The Malay Archipelago, volume I, London: Macmillan and Co., page 297

Forms of undistinguishable

comparativemore undistinguishable
superlativemost undistinguishable

Origin of undistinguishable

From un- + distinguishable.

Words formed from undistinguishable

Questions about undistinguishable

What does undistinguishable mean?
Undistinguishable means imperceptible; indistinct.
What part of speech is undistinguishable?
Undistinguishable is an adjective.
How do you pronounce undistinguishable?
Undistinguishable is pronounced /ˌʌndɪˈstɪŋɡwɪʃəb(ə)l/ (UK).

Words near undistinguishable in the dictionary

  1. undistinct
  2. undistinctive
  3. undistinctly
  4. undistinctness
  5. undistinguishability
  6. undistinguishable
  7. undistinguishableness
  8. undistinguishably
  9. undistinguished
  10. undistinguishedly
  11. undistinguishedness

Source and license

Adapted from Wiktionary: undistinguishable (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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