unimpaired

adjective

un·​im·​paired ˌən-im-ˈperd How to pronounce unimpaired (audio)
Synonyms of unimpairednext
: not damaged or made weaker : not impaired
unimpaired speech
unimpaired influence
unimpaired drivers [=drivers who are not drunk, drugged, etc.]
Age had left his faculties unimpairedJoseph Conrad

Examples of unimpaired in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The novel study was conducted over the course of 14 years, and involved nearly 300 cognitively unimpaired adults aged 50-90 years. Abhimanyu Ghoshal, New Atlas, 3 Nov. 2025 The team analyzed data on 296 cognitively unimpaired participants aged 50–90 in the Harvard Aging Brain Study. Health Reporter, MSNBC Newsweek, 3 Nov. 2025 Critics argued that such development contradicted the park service’s mandate to leave national parks unimpaired for the enjoyment of future generations. Michael Childers, The Conversation, 31 July 2025 That’s the premise behind the National Park Service, whose mission reads: The National Park Service preserves unimpaired the natural and cultural resources and values of the National Park System for the enjoyment, education, and inspiration of this and future generations. Nell Derick Debevoise, Forbes.com, 2 July 2025 See All Example Sentences for unimpaired

Word History

First Known Use

1583, in the meaning defined above

Time Traveler
The first known use of unimpaired was in 1583

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Cite this Entry

“Unimpaired.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unimpaired. Accessed 13 Dec. 2025.

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