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.
Remove Dead, Damaged, or Diseased Stems Promptly Grab a clean pair of pruners and cut away any dead, damaged, or diseased wood on any type of hibiscus at any time of year. Megan Hughes, Better Homes & Gardens, 23 Dec. 2025 How pine beetles work Pine beetles are native to Colorado and help thin out diseased and dying pine trees, creating more space for younger, healthier trees to thrive. Elise Schmelzer, Denver Post, 22 Dec. 2025 Wait until mid-November to remove dead or diseased canes and reduce the overall size of the rose plant. Mary Marlowe Leverette, Southern Living, 20 Dec. 2025 In this case, the researchers liken the worker ants who carry out the disinfection process to our own immune cells which are attracted to diseased cells by chemical signals. New Atlas, 5 Dec. 2025 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 27 Dec. 2025.

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