psychopath

UK: /ˈsaɪkəʊpæθ/ US: /ˈsaɪkəˌpæθ/ ,(sī′kə path′)

WordReference Random House Learner's Dictionary of American English © 2026

psy•cho•path /ˈsaɪkəˌpæθ/   n. 

[countable]
1. Psychiatry a person having a disorder in which he or she shows no regard for morally or socially correct behavior and has no feelings of remorse from acting this way.

psy•cho•path•ic, adj. [before a noun] See -path-.

WordReference Random House Unabridged Dictionary of American English © 2026

psy•cho•path  (sī′kə path′), n. 

1. Psychiatry a psychopathic person.

• psycho- + -path 1880–85

Collins Concise English Dictionary © HarperCollins Publishers::

psychopath / ˈsaɪkəʊˌpæθ/ noun

1. (no longer in technical use) a person with a severe antisocial personality disorder, characterized by the failure to develop any sense of moral responsibility and the capability of performing violent acts
   Compare sociopath
2. (loosely) any person who persistently behaves in a violent and antisocial manner

ˌpsychoˈpathic adjective

ˌpsychoˈpathically adverb