Pathological

/ˌpæθəˈlɒdʒɪkəl/

Meaning & Definition

adjective
Relating to pathology; involving or caused by disease.
The pathological findings indicated an underlying disease that was previously undetected.
Characterized by extreme or obsessive behavior, often in a way that is considered abnormal.
Her pathological need for approval often led her to make decisions that were not in her best interest.
Of or relating to the study of diseases and their effects.
Pathological studies have revealed significant insights into the progression of cancer.

Etymology

From Greek 'pathologia', from 'pathos' meaning 'suffering' and 'logia' meaning 'study of'.

Common Phrases and Expressions

pathological liar
A person who tells lies compulsively without a clear reason or benefit.
pathological condition
A situation or illness that has a specific pathological basis.
pathological gambler
Someone who cannot control their gambling habits despite the negative consequences.

Related Words

pathology
The study of disease, its causes, processes, development, and consequences.
psychopathology
The study of psychological disorders and abnormal behavior.
pathogen
A bacterium, virus, or other microorganisms that can cause disease.

Slang Meanings

Obsessive or extreme behavior that seems irrational.
His pathological need for approval turned him into a doormat.
Someone who exhibits behavior that is excessively harmful or extreme.
Her friends joked that she was a pathological overthinker.