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  • af
    af
    abbreviation
    as fuck; to a great degree (a euphemistic initialism used as a general intensifier, without explicit vulgarity).
  • AF
    AF
    abbreviation
  • af-
    af-
    variant of ad- before f: affect.
  • Af.
    Af.
    abbreviation
    Africa.
  • a.f.
    a.f.
    abbreviation
    audio frequency.
  • A.F.
    A.F.
    abbreviation
    Air Force.
  • A/F
    A/F
    abbreviation
    as found
Synonyms

af

1 American  
[ay-ef, af] / ˈeɪˈɛf, æf /
Or AF

abbreviation

Slang.
  1. as fuck; to a great degree (a euphemistic initialism used as a general intensifier, without explicit vulgarity).

    He’s annoying af.


AF 2 American  

abbreviation

  1. Air Force.

  2. Anglo-French.

  3. Asian female.

  4. Pathology. atrial fibrillation.


af- 3 American  
  1. variant of ad- before f: affect.


Af. 4 American  

abbreviation

  1. Africa.

  2. African.


a.f. 5 American  

abbreviation

  1. audio frequency.


A.F. 6 American  

abbreviation

  1. Air Force.

  2. Anglo-French.

  3. audio frequency.


AF 1 British  

abbreviation

  1. Anglo-French

  2. automatic focus

  3. audio frequency

  4. (in Canada) Air Force

"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/F 2 British  

abbreviation

  1. as found

"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.f. 3 British  

abbreviation

  1. audio frequency

"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

af 4 British  

abbreviation

  1. Afghanistan

"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 af

First recorded in 2005–10


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.

See Examples For:

P.R-R and C.T. were supported by Alzheimerfonden and Margaretha af Ugglas Stiftelse.

From Science Daily ● Mar. 11, 2024

The opera’s composer, Paula af Malmborg Ward, and librettist Kerstin Perski created a previous opera about swindlers and wanted to further explore why people believe serial liars, they told the Swedish press.

From Science Magazine ● Nov. 1, 2023

And af Klint, who died in 1944, became a fixture of museum gift shops, movie theaters and college dormitory posters.

From New York Times ● Aug. 28, 2023

After youth spells at Boldklubben af 1893 and Brondby, Hojlund began his senior career at Copenhagen, making his debut aged 17 in 2020.

From BBC ● Jul. 25, 2023

“Can’t you see her af fection for me?”

From "A Confederacy of Dunces" by John Kennedy Toole

ESC Guidelines strongly recommend oral anticoagulants for people with AF who are considered at high risk of stroke.

From Science Daily ● Sep. 27, 2026

In addition to getting swole AF, those who scarf down a bowl of this cereal can enjoy a boost in energy, better recovery, stronger bone health and enhanced cognitive function.

From Salon ● May 23, 2026

Air France-KLM AF -3.33%decrease; red down pointing triangle posted a swing to net profit for its fourth quarter after costs dropped.

From The Wall Street Journal ● Feb. 19, 2026

A normal heart rate should be between 60 and 100 beats per minute, in people with AF in can be considerably higher than 100.

From BBC ● Feb. 10, 2026

AF measures time as before and AB the rate of pay at the beginning of the century.

From Essentials of Economic Theory As Applied to Modern Problems of Industry and Public Policy by John Bates Clark

She went back to Hongkong, confronted Townsend, told him, one af- ternoon, what an ass she thought he was.

From Time Magazine Archive

Chick Evans and young Roland Mackenzie played fiercely at each other's heels until in the late shadows of a nerve-straining af- ternoon.

From Time Magazine Archive

NOTE.—The forms ac-, af-, etc., are euphonic variations of ad-, and follow generally the rule that the final consonant of the prefix assimilates to the initial letter of the root.

From New Word-Analysis by William Swinton

It appears as a-, ab-, ac-, ad-, af-, ag-, al-, an-, ap-, ar-, as-, at-, as in achieve, abbreviate, accede, admire, affix, aggregate, allot, annex, approve, arrive, assign, attract.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

There are probably few stations that would have at all af- fectedthem.

From Active Service by Stephen Crane

District Court Judge Barbara Rothstein would divide the bulk of the money between the estate’s attorneys and Faletogo’s two minor children, identified by the initials A.F. and R.F. in court documents.

From Seattle Times ● Oct. 13, 2021

Klara, an A.F., or Artificial Friend, is a sort of mechanical governess in search of a post.

From New York Times ● Feb. 23, 2021

“These women can do everything men can, and some of them can do things that the men can’t,” said Crystal Meyer, a volunteer at Girard’s A.F.

From Washington Times ● Jul. 9, 2016

Earlier this year she bought a Mediterranean Revival villa in Los Feliz for $4.7 million and four months later listed the distinctive A.F.

From Los Angeles Times ● Dec. 26, 2015

“Then the Nine Years’ War began in A.F.

From "Brave New World" by Aldous Huxley

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