Word.ws English Dictionary

undeteriorated

undeteriorated adjective: not deteriorated.

Adjective

undeteriorated (comparative more undeteriorated, superlative most undeteriorated)

  1. Not deteriorated.
    • By this improvement the water flows with all its properties undeteriorated, retaining from source to outlet its original purity and strength.1872, R. F. Dearborn, Saratoga and How to See It
    • Everything was just as it had been left, the petrol-tank partly filled and apparently undeteriorated.1914-1917, Sir Ernest Shackleton, South!

Forms of undeteriorated

comparativemore undeteriorated
superlativemost undeteriorated

Origin of undeteriorated

From un- + deteriorated.

Questions about undeteriorated

What does undeteriorated mean?
Undeteriorated means not deteriorated.
What part of speech is undeteriorated?
Undeteriorated is an adjective.

Words near undeteriorated in the dictionary

  1. undetectability
  2. undetectable
  3. undetectably
  4. undetected
  5. undetectible
  6. undeteriorated
  7. undeteriorating
  8. undeterminable
  9. undeterminacies
  10. undeterminacy
  11. undeterminate

Source and license

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