What does "psa" mean?
Initialism of polysialic acid.
Psa
name, noun
name, noun ·Uncommon ·Advanced level
Meaning at a glance
- Primary sense: Initialism of polysialic acid.
- Grammar: psa is listed as name, noun.
- Nearest alternatives: adhesives, ads, professional services software, prostate antigen.
- Useful contrasts: advertisement, manual process.
- Usage evidence: Why should I avoid sexual activity before a PSA test?
How to use "psa"
- Start with the primary definition, then check the part of speech before placing the word in a sentence.
- Compare nearby synonyms to make sure "psa" carries the exact meaning, tone, and strength you need.
- Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.
Meaning check
- Does the word fit the sentence's grammar?
- Does it match the intended tone rather than only the dictionary definition?
- Would a simpler synonym be clearer for the reader?
- Is there enough surrounding context to prevent ambiguity?
Source and review context
This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "psa" in a final draft.
If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.
Before you rely on this definition
Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "psa" as the right word for your sentence.
If your draft is formal, technical, persuasive, or sensitive, compare "psa" with a nearby alternative so the final choice matches both meaning and reader expectation.
Compare nearby meanings
- Use synonyms when you need a softer, stronger, simpler, or more specific word.
- Use antonyms to check the boundary of the meaning and avoid accidental contrast.
- Use the example sentence to confirm the word behaves naturally in context.
- Keep the original wording when a replacement adds complexity without improving precision.
Definition decision workflow
1. Identify the role
Check whether "psa" is acting as name, noun in your sentence. A definition is only useful when the grammar matches the way the word is being used.
2. Test the nearest option
Compare it with "adhesives" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.
3. Confirm with context
Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.
Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.
Final meaning check
Before publishing a sentence with "psa", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.
When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.
Definitions
Noun
- 1 Initialism of polysialic acid. abbreviation, alt-of, countable, initialism, uncountable
- 2 Abbreviation of psoriatic arthritis. abbreviation, alt-of, uncountable
- 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 Initialism of prostate-specific antigen. abbreviation, alt-of, countable, initialism, uncountable
"A high PSA reading indicates a possibility of cancer."
- 5 Initialism of pressure-sensitive adhesive. abbreviation, alt-of, countable, initialism, uncountable
Show 4 more definitions
- 6 Initialism of pressure swing adsorption. abbreviation, alt-of, countable, initialism, uncountable
- 7 Initialism of public safety announcement. abbreviation, alt-of, countable, initialism, uncountable
- 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!"
- 9 Initialism of purchase and sale agreement. abbreviation, alt-of, countable, initialism, uncountable
Proper Noun
- 1 Initialism of Pacific Southwest Airlines. abbreviation, alt-of, initialism
- 2 Initialism of Peugeot S.A., a French automaker. abbreviation, alt-of, initialism
- 3 Initialism of Philippine Statistics Authority. Philippines, abbreviation, alt-of, initialism
- 4 Initialism of Phone-paid Services Authority. abbreviation, alt-of, historical, initialism
Synonyms
All synonymsAntonyms
advertisementmanual process
Example
"Why should I avoid sexual activity before a PSA test?"
Common questions
What is a synonym for "psa"?
Common synonyms include: adhesives, ads, professional services software, prostate antigen, prostate cancer marker, prostate specific antigen.
How do you use "psa" in a sentence?
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”)).