psi
1 synonyms and 0 antonyms for psi, grouped by meaning and by how common each one is.
Noun — The 23rd letter of the Greek alphabet (Ψ, ψ).
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
How to use psi
The word patterns that sound natural to a native speaker.
Etymology
From the Greek letter name psi (Ψ), going back to Ancient Greek psei.
Full origin of psi →Frequently asked questions
What does “psi” mean?
The word “psi” means the 23rd letter of the Greek alphabet (Ψ, ψ). In plain terms, either the Greek letter, or (informally) mental/psychic energy, or the pressure unit "pounds per square inch.".
How do you pronounce “psi”?
“Psi” is pronounced pseye (/psaɪ/ in IPA).
How do you use “psi” in a sentence?
Here is “psi” used in a sentence: “Psi comes near the end of the Greek alphabet, just before omega.”
What part of speech is “psi”?
Depending on how it is used, “psi” can be a noun and a symbol.
Where does the word “psi” come from?
The word “psi” comes from Ancient Greek. From the Greek letter name psi (Ψ), going back to Ancient Greek psei.
Is “psi” a common word?
“Psi” is an uncommon word in modern English.
How many meanings does “psi” have?
“Psi” has 3 distinct senses listed in this dictionary. The most common is: the 23rd letter of the Greek alphabet (Ψ, ψ).