(slang) Indicating that one's preceding statement was false and that one has successfully fooled one's interlocutor. / (dated, slang) An interjection of surprised happiness.

(informal) Psychedelic. / (informal) Psychiatric.

Psychology or psychiatry. / A psychologist; a psychiatrist.

(Greek mythology, Roman mythology) The personification of the soul. Originally a mortal princess who later married Eros/Cupid, (the god of love), was deified, and bore him a daughter, Hedone/Voluptas.

present participle of psyche

plural of psych

Third-person singular simple present indicative form of psych

(idiomatic, informal) In a state of heightened mental preparedness for a difficult or hazardous enterprise, or one where success is particularly sought.

simple past tense and past participle of psych out

A Grecian knot.