PSA
Americanabbreviation
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prostate specific antigen: a protein, produced by the prostate, elevated levels of which may indicate the presence of cancer.
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public service announcement: an audio or video spot or advertisement to educate or promote awareness about health, safety, civics, etc.
abbreviation
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prostatic specific antigen: an enzyme secreted by the prostate gland, increased levels of which are found in the blood of patients with cancer of the prostate
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(in New Zealand) Public Service Association
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“We understand the impact this has on collectors involved, many of whom see these cards as far more than a financial asset,” PSA said.
From The Wall Street Journal ● Oct. 20, 2026
They had been certified at PSA and were being returned to him in Michigan when he learned about the theft.
From Los Angeles Times ● Oct. 20, 2026
PSA said the items weren’t in its possession at the time of the burglary, and it had learned of the theft from the shipping carrier.
From The Wall Street Journal ● Oct. 20, 2026
Not only can shipping labels and declared insurance values reveal their potential contents, “the simple name PSA or Collectors in the address box is the threat,” Rovell wrote.
From Los Angeles Times ● Oct. 20, 2026
The same meme makes the rounds every storm: “Tornado season PSA: Bras on, teeth in!”
From "Legendary Frybread Drive-In" by Cynthia Leitich Smith
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