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

Similarly, researchers could use synthetic cells to deliver a drug only to diseased tissue, or create microbial systems that detect toxins or pathogens in water. — Tara Deans, The Conversation, 8 July 2026

If the shrub was diseased or large roots remain in the soil, waiting at least six months to a year is recommended. — Mary Marlowe Leverette, Southern Living, 5 July 2026

Putting diseased plant material in your compost pile and using unclean or dull pruning tools also increases the risk of transmitting issues from plant to plant. — Madeline Buiano, Martha Stewart, 5 July 2026

That conversation requires people who succeeded within a diseased system to acknowledge the disease. — Vibhas Ratanjee, Forbes.com, 2 July 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