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

The infection spreads when diseased black-legged ticks, often in their young, nymph state, bite unlucky hosts, including humans. — Clarissa Brincat, Scientific American, 8 Nov. 2026

Picking up all diseased leaf debris goes a long way toward preventing rust next season. — Rita Perwich, San Diego Union-Tribune, 7 Nov. 2026

Always dispose of infected plant debris, but consider leaving some non-diseased leaves for bees and butterflies. — Lauren Landers, The Spruce, 6 Nov. 2026

In the front yard of a home on Bray Road, there’s a huge snarling Beast carved out of an old diseased elm tree, held in place by heavy steel chains. — Christopher Borrelli, Chicago Tribune, 29 Oct. 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