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.
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
By the time he sought help, the PSA test - used by GPs to flag prostate cancer - was dangerously high.
From BBC ● Jun. 21, 2026
Professional Sports Authenticator graded the card a Gem Mint 10, which the PSA site says is reserved for “virtually perfect” cards.
From Los Angeles Times ● May 27, 2026
Stellantis was formed in 2021 when Fiat Chrysler Automobiles merged with France’s PSA Group.
From The Wall Street Journal ● May 21, 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.
