diseased

adjective

dis·​eased di-ˈzēzd How to pronounce diseased (audio)
Synonyms of diseasednext
: affected with or as if with a disease : lacking health or soundness : sickly
During a transplant, the surgeon removes the diseased lung (sometimes both) and transplants a lung or lungs from a donor.Elaine K. Howley
Pruning is critical to blueberry productivity. An annual pruning regimen is needed to remove old and diseased canes, encourage strong new canes and increase the harvest.Sequim (Washington) Gazette
He said he occasionally has had to put an animal down if it is diseased or severely injured, but often works with animal rehabilitators to rescue others when possible.Sarah Bowman
Sirois believes that the confession from Hernandez, who has since pleaded not guilty, was the product of a diseased mind. Defense lawyers claim he's mentally ill, hears voices, and has rock-bottom intelligence.Andrea Peyser

Examples of diseased 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.
Zaber discourages doing too much work on trees that appear to be struggling, and sticking to the removal of clearly damaged, diseased, and rotting branches until the weather warms up. Nishaa Sharma, The Spruce, 26 Feb. 2026 In fact, diseased parts should be removed quickly to preserve the health of the rest of your plant. Brandee Gruener, Southern Living, 26 Feb. 2026 However, in the first two to three years, only remove dead, diseased, weak, or thin growth. Sj McShane, Martha Stewart, 26 Feb. 2026 The challenge is engineering a device that can both recognize diseased tissue and deliver medication quickly and precisely. IEEE Spectrum, 18 Feb. 2026 See All Example Sentences for diseased

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of diseased was in the 15th century

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Cite this Entry

“Diseased.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diseased. Accessed 28 Feb. 2026.

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