Psa

name, noun

name, noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    Initialism of polysialic acid. abbreviation, alt-of, countable, initialism, uncountable
  2. 2
    Abbreviation of psoriatic arthritis. abbreviation, alt-of, uncountable
  3. 3
    a protein manufactured exclusively by the prostate gland; PSA is produced for the ejaculate where it liquifies the semen and allows sperm cells to swim freely; elevated levels of PSA in blood serum are associated with benign prostatic hyperplasia and prostate cancer wordnet
  4. 4
    Initialism of prostate-specific antigen. abbreviation, alt-of, countable, initialism, uncountable

    "A high PSA reading indicates a possibility of cancer."

  5. 5
    Initialism of pressure-sensitive adhesive. abbreviation, alt-of, countable, initialism, uncountable
Show 4 more definitions
  1. 6
    Initialism of pressure swing adsorption. abbreviation, alt-of, countable, initialism, uncountable
  2. 7
    Initialism of public safety announcement. abbreviation, alt-of, countable, initialism, uncountable
  3. 8
    Initialism of public service announcement. abbreviation, alt-of, countable, initialism, uncountable

    "If you are at a zoo, and a monkey climbs up high in the bars and sticks his thing through the bars, you should move away from the monkey cage. Move in an orderly fashion- don't push, don't rush, don't make it like a Who concert in Ohio. Just move back nice and slow and easy, because that monkey may be having some problems, he may have some hostility towards you. So please- this is just a public service announcement, that's what this is. Just to make sure it's very, very clear. And this PSA is brought to you by: Monkey Tuesday!"

  4. 9
    Initialism of purchase and sale agreement. abbreviation, alt-of, countable, initialism, uncountable
Proper Noun
  1. 1
    Initialism of Pacific Southwest Airlines. abbreviation, alt-of, initialism
  2. 2
    Initialism of Peugeot S.A., a French automaker. abbreviation, alt-of, initialism
  3. 3
    Initialism of Philippine Statistics Authority. Philippines, abbreviation, alt-of, initialism
  4. 4
    Initialism of Phone-paid Services Authority. abbreviation, alt-of, historical, initialism

Synonyms

All synonyms
p&sprostate specific antigenprostate specific antigenprostate-specific antigenpublic safety announcementpublic service announcement

Example

More examples

"Why should I avoid sexual activity before a PSA test?"

Etymology

Etymology 1

English initialisms.

Etymology 2

From French PSA, initialism of Peugeot S.A. (société anonyme (“public limited company”)).

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.