1. A person apparently responsive to psychic forces.
2. See medium.
adj. also psy·chi·cal (-kĭ-kəl)
1. Of, relating to, affecting, or influenced by the human mind or psyche; mental: psychic trauma; psychic energy.
a. Capable of extraordinary mental processes, such as extrasensory perception and mental telepathy.
b. Of or relating to such mental processes.
[From Greek psūkhikos, of the soul, from psūkhē, soul; see bhes- in the Appendix of Indo-European roots.]
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.