Synonyms of pathological
obsessiveDictionary • his pathological jealousy
chronic • He has always been a chronic smoker.
compulsive • He is a compulsive liar.
unreasonable • The strikers were being unreasonable in their demands.
irrational • an irrational fear of science
habitual • Three out of four of them would become habitual criminals.
confirmed • I'm a confirmed bachelor.
illogical • his completely illogical arguments
inveterate • an inveterate gambler
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chronicYou can describe someone's bad habits or behaviour as chronic when they have behaved like that for a long time and do not seem to be able to stop themselves.
• He has always been a chronic smoker.
• He is a compulsive liar.
confirmedYou use confirmed to describe someone who has a particular habit or belief that they are very unlikely to change.
• I'm a confirmed bachelor.
Thesaurus for pathological from the Collins English Thesaurus