Word.ws English Dictionary

ununderstandable

ununderstandable adjective: not understandable; that cannot be understood.

Adjective

ununderstandable (comparative more ununderstandable, superlative most ununderstandable)

  1. Not understandable; that cannot be understood.
    • Cameron was for closing the discussion as useless and ununderstandable.1907, Barbara Baynton, edited by Sally Krimmer and Alan Lawson, Human Toll (Portable Australian Authors: Barbara Baynton), St Lucia: University of Queensland Press, published 1980, page 139
    • But to report an item or sequence of behaviour as radically ununderstandable is to say that it is so inaccessible to any possible explanation[…]1983, Walter Garrison Runciman, A treatise on social theory

Synonyms of ununderstandable

21 more synonymsFewer synonyms

Forms of ununderstandable

comparativemore ununderstandable
superlativemost ununderstandable

Origin of ununderstandable

From un- + understandable.

Words formed from ununderstandable

Questions about ununderstandable

What does ununderstandable mean?
Ununderstandable means not understandable; that cannot be understood.
What part of speech is ununderstandable?
Ununderstandable is an adjective.

Words near ununderstandable in the dictionary

  1. ununanimous
  2. ununanimously
  3. ununbium
  4. ununctuous
  5. ununderstandability
  6. ununderstandable
  7. ununderstandableness
  8. ununderstandably
  9. ununderstanding
  10. ununderstandingly
  11. ununderstood

Source and license

Adapted from Wiktionary: ununderstandable (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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Cite this entry: “ununderstandable.” Word.ws, https://word.ws/ununderstandable. Based on Wiktionary, CC BY-SA 4.0.