- (countable) The twenty-third letter of Classical and Modern Greek and the twenty-fourth letter of Old and Ancient Greek.
- (uncountable) A form of psychic energy.
- 1993, â€˜Come, lad,â€™ he said. â€˜We will take tea together and speak of the noumenon, the psi and other more heterogenous phenomena.â€™ â€” Will Self, My Idea of Fun
3 letters in word "psi": I P S.
Anagrams of psi:
Words found within psi: