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.
OK, before I let you go, is there any PSA you want to give folks right now about whether they should be consuming lettuce?
From Los Angeles Times ● Aug. 6, 2026
A pasta PSA: After a yearslong hiatus, Olive Garden is selling 10,000 Never-Ending Pasta Passes on Thursday, entitling buyers to 13 weeks of unlimited pasta, soup, salad, and breadsticks.
From Slate ● Jul. 14, 2026
The screening committee said these men, a few thousand each year, should be invited for a PSA blood test every two years between the ages of 45 and 61.
From BBC ● May 28, 2026
Stellantis, formed in 2021 through a merger of France's PSA Group and Italian-American company Fiat-Chrysler, booked a colossal 20-billion-euro charge on its 2025 results as it sought to pivot away from the EV sector.
From Barron's ● Apr. 30, 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
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
