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Synonyms

AP

1 American  
Or A.P.

  1. adjective phrase.

  2. Trademark. Advanced Placement Program.

  3. Air Police.

  4. American plan.

  5. antipersonnel.

Ap. 2 American  

abbreviation

  1. Apostle.

  2. Apothecaries'.

  3. April.

A/P 3 American  
Or a/p

  1. account paid.

  2. accounts payable.

  3. authority to pay or purchase.

ap- 4 American  

  1. variant of ad- before p: appear.

ap- 5 American  

  1. variant of apo- before a vowel or h: aphelion.

a.p. 6 American  

abbreviation

  1. additional premium.

  2. author's proof.

AP 1 British  

abbreviation

  1. Air Police

  2. Associated Press

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
a.p. 2 British  

abbreviation

  1. obsolete (in prescriptions, etc) ante prandium

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
ap 3 British  
/ æp /

prefix

  1. son of: occurring as part of some surnames of Welsh origin

    ap Thomas
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
ap- 4 British  

prefix

  1. a variant of apo-

    aphelion
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of a.p.2

Latin: before a meal

Origin of ap3

from Welsh mab son

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.

Outsen expected the new AP course to be well-subscribed, as did the College Board, which is the sponsor of the AP program.

From MarketWatch • Apr. 21, 2026

Jones was quoted by the AP news agency saying that he would fight the latest proposal from The Onion, and would continue to broadcast "the exact same show".

From BBC • Apr. 21, 2026

Rather, it treats these subjects as academic disciplines, similar to, say, AP Psychology or AP Statistics.

From MarketWatch • Apr. 21, 2026

IEA executive director Fatih Birol told AP there could soon be flight cancellations if supplies remained blocked.

From BBC • Apr. 16, 2026

At school, she was one of those kids who signed up for every AP class available and seemed to ace them all.

From "Becoming" by Michelle Obama

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.