1. to treat or regard (something normal or acceptable) as a disease or disorder; to classify as pathological
Usage: British spelling (American: pathologizes); third person singular present tense
2. to study or analyze the nature and cause of disease in (an organism or condition)
Usage: medical/scientific context; third person singular present tense

Examples

• The psychologist argues that modern society pathologises normal childhood behavior.
• Critics claim the medical establishment pathologises grief as a mental disorder.
• The researcher pathologises the tissue samples to identify the disease.
• Some argue that schools pathologise shyness rather than accepting it as a personality trait.
• The study pathologises anxiety in ways that may not reflect actual clinical significance.
• She pathologises every emotional response, turning sadness into a diagnosis.