pathological

pathological /ˌpæθəˈlɑːʤɪkəl/ adjective
also US pathologic /ˌpæθəˈlɑːʤɪk/
pathological
/ˌpæθəˈlɑːʤɪkəl/
adjective
also US pathologic /ˌpæθəˈlɑːʤɪk/
Britannica Dictionary definition of PATHOLOGICAL
1 
: extreme in a way that is not normal or that shows an illness or mental problem
2 
medical : relating to or caused by disease
3 
technical : of or relating to the study of diseases : relating to pathology

— pathologically

/ˌpæθəˈlɑːʤɪkli/ adverb