psych also psyche (sīk) Informal
v. psyched, psych·ing, psyches
a. To put into the right psychological frame of mind: The coach psyched the team before the game.
b. To excite emotionally: The children were psyched to see the circus.
2. To undermine the confidence of by psychological means; intimidate: "Depending on whose personality is stronger, one can more easily psych the other" (Harold C. Schonberg).
a. To analyze, solve, or comprehend.
b. To anticipate or guess the intentions of: "Most others could never approach [his] ability ... to psyche out the opposition's thinking so consistently" (Steven Brill).
4. Informal To analyze and treat by psychoanalysis.
To become confused or mentally deranged.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.