diseased

Concise Oxford English Dictionary © 2008 Oxford University Press:
disease/dɪˈziːz/

▶noun

• 1 a disorder of structure or function in a human, animal, or plant, especially one that produces specific symptoms or that affects a specific part.

• 2 a quality or disposition that adversely affects a person or group: the British disease of self-deprecation.

– derivatives
diseased adjective.

– origin ME (in the sense ‘lack of ease; inconvenience’): from OFr. desaise ‘lack of ease’.