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 most minimal type of pruning, selective pruning refers to removing dead, diseased, or broken branches and suckers coming up from the roots to improve the structure of the plant. —Mary Marlowe Leverette, Southern Living, 28 May 2026

When pruning lilacs, focus on overgrown and diseased branches, cutting their stems back to the base of the plant. —Madeline Buiano, Martha Stewart, 27 May 2026

Fungal leaf spots and diseased stem portions can also develop and may be contributing to the plant decline. —Tom MacCubbin, The Orlando Sentinel, 23 May 2026

Because most home compost bins don't reach a high enough temperature to kill pathogens or seeds, don't add grass clippings from a diseased or weedy lawn. —Megan Hughes, Better Homes & Gardens, 21 May 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