The meaning of PATHOLOGICAL is of or relating to pathology. How to use pathological in a sentence.

PATHOLOGICAL definition: 1. (of a person) unable to control part of their behaviour; unreasonable: 2. involving or relating…. Learn more.

1. of or pertaining to pathology. 2. caused or affected by disease. 3. characterized by an unhealthy compulsion: a pathological liar.

There are six meanings listed in OED's entry for the word pathological, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

PATHOLOGICAL definition: of or relating to pathology, or the science or study of diseases and their causes. See examples of pathological used in a sentence.

pathological meaning, definition, what is pathological: pathological behaviour or feelings happe...: Learn more.

PATHOLOGICAL meaning: 1 : extreme in a way that is not normal or that shows an illness or mental problem; 2 : relating to or caused by disease

Dec 14, 2025 · (mathematics) Having properties which are counterintuitive or difficult to handle. (computer science) Having properties that cause unusually bad behaviour, especially regarding …

You describe a person or their behaviour as pathological when they behave in an extreme and unacceptable way, and have very powerful feelings which they cannot control.

Definition of pathological adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.