/ ˌpæθəˈlɒdʒɪkl; NAmE -ˈlɑːdʒ-/ adjective
1.
not reasonable or sensible; impossible to control :
pathological fear / hatred / violence
a pathological liar (= a person who cannot stop telling lies)
2.
caused by, or connected with, disease or illness :
pathological depression
3.
( technical ) connected with pathology
► patho·logic·al·ly / -kli; NAmE / adverb :
pathologically jealous