(dated) A person who has a psychiatric disorder.

Indicating disapproval, scoffery, irritation, impatience or disbelief.

(intransitive) To express disgust or contempt by saying "pshaw".

A family of pseudoscientific theories and methods within the field of psychotherapy that work to find connections among patients' unconscious mental processes

Alternative spelling of pseudoscience

(Christianity) Synonym of Psalms, particularly when printed as a separate work from the Bible. / (Catholicism) Synonym of breviary, which arranges the Psalms for devotional recitation.

Of, containing, generating, or reminiscent of drug-induced hallucinations, distortions of perception, altered awareness etc.

Any psychoactive substance (such as LSD or psilocybin) which, when consumed, causes perceptual changes (sometimes erratic and uncontrollable), visual hallucination, and altered awareness of the body and mind.

(hippie slang) awesome, cool, groovy

(parapsychology) The movement of physical systems and objects by the use of psychic power. Abbreviated as PK.