Definition

1. Adjective:
   • Affected with disease; unhealthy: Describes a living organism, organ, or tissue that is suffering from a specific illness or pathological condition.
   • Morbid; pathological: Pertaining to or resulting from disease, often implying an abnormal, unhealthy, or corrupted state.

Usage

The adjective "diseased" is used attributively (before a noun) or predicatively (after a linking verb like 'is' or 'appears'). It describes a state of illness. - Attributive use: diseased + noun (e.g., a diseased lung). - Predicative use: subject + linking verb + diseased (e.g., The plant is diseased).

Examples

• Attributive use:
  • The surgeon removed the diseased tissue to prevent the infection from spreading.
  • They had to cut down the diseased tree to save the others in the orchard.
• Predicative use:
  • The animal was clearly diseased and needed veterinary care.
  • Without proper treatment, the crops became diseased.

Advanced Usage

• Figurative/Metaphorical use: "Diseased" can describe systems, societies, or minds considered morally corrupt, deeply flawed, or psychologically unhealthy.
  • The critic described the city's political culture as diseased with corruption.
  • He argued that such hatred was a symptom of a diseased mind.

Variants and Related Words

• Disease (n): The illness or pathological condition itself.
  • Heart disease is a leading cause of death.
• Morbid (adj): Suggesting an unhealthy mental state or interest in gloomy subjects; also a medical term for diseased.
• Pathological (adj): Relating to pathology (the study of disease); caused by or involving disease; also used to describe compulsive or extreme behavior.
  • A pathological fear of germs.

Synonyms

• Ailing: Suffering from an illness.
• Unhealthy: Not in good health.
• Infected: Contaminated with a disease-causing agent.
• Sick: Affected by illness.
• Unsound: Not healthy or robust.

Antonyms

• Healthy: In good health.
• Sound: In good condition; robust.
• Wholesome: Conducive to or suggestive of good health.

Related Phrases and Idioms

• Diseased imagination/mind: A way of thinking considered perverted, obsessive, or morally corrupt.
  • The villain's plans were the product of a diseased imagination.
• To be diseased with: To be afflicted or corrupted by something (often used figuratively).
  • The organization was diseased with inefficiency and nepotism.

Adjective

1. caused by or altered by or manifesting disease or pathology
   • diseased tonsils
   • a morbid growth
   • pathologic tissue
   • pathological bodily processes