pathological

Meanings

1. 1
   adj

   related to disease or to the study of disease

   The scan showed no pathological change in the tissue.

2. 2
   adj

   extreme, compulsive, or caused by a mental disorder

   He was a pathological liar who invented details even when the truth was harmless.

3. 3
   adj

   so unusual or badly behaved that it exposes weaknesses in a system or theory

   The algorithm slowed down only on a pathological input case.

From pathology + -ical; pathology comes through French from Greek pathos (suffering, disease) and -logia (study).

Topics