diseased

adjective

dis·​eased di-ˈzēzd 

: 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

Researchers have seen benefits in animal models of PD last for weeks after treatment, and early human trials are under way, using optical fibers that put the light close to the diseased cells. —Lynne Peeples, Scientific American, 26 Mar. 2026

However, dead and diseased branches can be removed any time of year. —Barbara Gillette, The Spruce, 16 Mar. 2026

Start by cutting off any branches that are diseased, dead, or broken, as well as those that are crossing and rubbing against each other. —Sj McShane, Martha Stewart, 12 Mar. 2026

With a pair of pruning shears or loppers, remove dead, damaged, or diseased wood,cutting these vines back to healthy growth or the base of the plant. —Leanne Potts, Better Homes & Gardens, 10 Mar. 2026

Word History

First Known Use

15th century, in the meaning defined above

Rhymes for diseased

• appeased
• displeased
• breezed
• eased
• pleased
• seized
• sneezed
• squeezed
• teased
• wheezed