Word.ws English Dictionary

unimpenetrable

unimpenetrable adjective: synonym of impenetrable.

Adjective

unimpenetrable (comparative more unimpenetrable, superlative most unimpenetrable)

  1. (archaic) Synonym of impenetrable.
    • Those whom he most persecuted with his despatches were Sir John Burgoyne, Lord Panmure, Lord Palmerston, Sir George Grey, and that ancient and unimpenetrable tribune, the commissioners of Chelsea Hospital.1859, Thomas William J. Connolly, The Romance of the Ranks, page 357
    • Trees and shrubs growing on the muddy shores, where they form almost unimpenetrable barriers on low coasts.1886, Frank S. Plant, Notes on the Philippines, page 45
    Synonyms:
    impenetrable

Synonyms of unimpenetrable

Forms of unimpenetrable

comparativemore unimpenetrable
superlativemost unimpenetrable

Questions about unimpenetrable

What does unimpenetrable mean?
Unimpenetrable means synonym of impenetrable.
What part of speech is unimpenetrable?
Unimpenetrable is an adjective.

Words near unimpenetrable in the dictionary

  1. unimpedable
  2. unimpeded
  3. unimpededly
  4. unimpedible
  5. unimpelled
  6. unimpenetrable
  7. unimperative
  8. unimperial
  9. unimperialistic
  10. unimperiled
  11. unimperilled

Source and license

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