unusable

adjective

un·​us·​able ˌən-ˈyü-zə-bəl How to pronounce unusable (audio)
: not capable of being used or fit for use : not usable
unusable documentary footage
The lavatory, totally unusable, was full of snow which had blasted in through the keyhole.Katharine Sim
unusably adverb

Examples of unusable in a Sentence

a completely unusable gadget that's just taking up space in the drawer
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.
If the main engine is declared unusable, one possible option for getting around the main engine problem might be using these smaller thrusters to more gradually adjust the Cygnus spacecraft's orbit to line up the final approach with the ISS. Stephen Clark, ArsTechnica, 16 Sep. 2025 Serhii Sternenko, a Ukrainian volunteer and head of a major charitable foundation, wrote on social media that as many as 60% of FPV drones procured under state contracts are either unusable or require extensive reworking after delivery. David Kirichenko, Forbes.com, 15 Sep. 2025 However, due to crowd noise, the footage was unusable and had to be reshot in a studio in Los Angeles. Arizona Republic, AZCentral.com, 15 Sep. 2025 In such a scenario, large sections of low Earth orbit could become unusable because the density of space debris becomes too great. Keith Cooper, Space.com, 15 Sep. 2025 See All Example Sentences for unusable

Word History

First Known Use

1825, in the meaning defined above

Time Traveler
The first known use of unusable was in 1825

Browse Nearby Words

Cite this Entry

“Unusable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unusable. Accessed 18 Sep. 2025.

More from Merriam-Webster on unusable

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!