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

Remove diseased, dead, damaged, and crossed branches first, and then thin out the center of your trees to allow more light and air in. —Lauren Landers, Better Homes & Gardens, 4 Feb. 2026

While the branches are bare, look for any damaged and diseased limbs that can be pruned to improve airflow and enhance the tree’s natural shape. —Karen Brewer Grossman, Southern Living, 26 Jan. 2026

How to Prune Mature Citrus Trees Pruning mature citrus trees is about maintenance, including removing dead and diseased wood, and thinning to enhance light and airflow penetration. —Sj McShane, Martha Stewart, 23 Jan. 2026

Removing dying or diseased limbs directs the tree’s energy to new branches. —Gemma Johnstone, The Spruce, 18 Jan. 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