from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The spirit or soul.
  • n. Psychiatry The mind functioning as the center of thought, emotion, and behavior and consciously or unconsciously adjusting or mediating the body's responses to the social and physical environment.
  • v. Variant of psych.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The human soul, mind, or spirit.
  • n. The human mind as the central force in thought, emotion, and behavior of an individual.
  • abbr. psychology
  • interj. Used abruptly after a sentence to indicate that the speaker is only joking.
  • v. To put (someone) into a required psychological frame of mind.
  • v. To intimidate (someone) emotionally using psychology.
  • v. To treat (someone) using psychoanalysis.

from the GNU version of the Collaborative International Dictionary of English

  • n. A lovely maiden, daughter of a king and mistress of Eros, or Cupid. She is regarded as the personification of the soul.
  • n. The soul; the vital principle; the mind.
  • n. A cheval glass.

from The Century Dictionary and Cyclopedia

  • n. In classical mythology, the personified and deified soul or spirit, the beloved of Eros, by whom she was alternately caressed and tormented.
  • n. [lowercase] The human soul or spirit or mind.
  • n. The 16th planetoid, discovered by De Gasparis at Naples in 1852.
  • n. In zoology: In entomology, a genus of bombycid moths, erected by Schrank in 1801 (after Linnæus, 1735), and typical of the family Psychidæ.
  • n. In conchology, a genus of gymnosomatous pteropods of the family Eurybiidæ. Also called Halopsyche.
  • n. [lowercase] In anatomy, the cerebrospinal nervous system: in Haeckel's vocabulary applied to the brain and spinal cord as the physiological center of the nervous system, in the activities of which he supposed the soul or spirit to subsist.
  • n. [lowercase] A large mirror, in which the whole person can be seen, usually hung on pivots at the sides, the whole being supported in a movable frame.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. that which is responsible for one's thoughts and feelings; the seat of the faculty of reason
  • n. the immaterial part of a person; the actuating cause of an individual life
  • n. (Greek mythology) a beautiful princess loved by Cupid who visited her at night and told her she must not try to see him; became the personification of the soul


from The American Heritage® Dictionary of the English Language, 4th Edition

Latin psȳchē, from Greek psūkhē, soul; see bhes- in Indo-European roots.

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin psychē, from Ancient Greek ψυχή (psyche, "soul, breath")

from Wiktionary, Creative Commons Attribution/Share-Alike License

Shortened form of psychology, from French psychologie, from Latin psychologia, from Ancient Greek ψυχή (psuchē, "soul") and -λογία (-logia, "study of")



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  • Greek Butterfly.

    Speaking of where words came from...

    July 11, 2008

  • See discussion at sike, subtitled "Why Uselessness Is Right And You Are Wrong." ;-)

    October 16, 2007

  • You're right, they probably don't understand where the slang came from. These crazy kids on teh Interwebs... ;)

    October 16, 2007

  • On the internet I keep seeing people try to use this in the retro slang sense-- "Psyche!" meaning "Just kidding!"-- but spelling it "Sike", as though perhaps they never understood where the slang came from...

    October 16, 2007