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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  
[ey-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

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

“I actually don’t have anything against drag queens but this was just random af and seemed like she’s really trying to be ‘woke’ to gain more popularity.

From Los Angeles Times Apr. 3, 2023

She asked Park to bring in the groceries; then she spent the rest of the af ternoon in her room with the door closed.

From "Eleanor & Park" by Rainbow Rowell

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

European airline group Air France-KLM AF -2.28%decrease; red down pointing triangle lowered its capacity forecasts for this year as it expects further increases in jet fuel costs driven by the Iran war.

From The Wall Street Journal Apr. 30, 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

The registers of the Committee of Public Safety contain a number of similar gratuities paid to provincial clubs and patriots, for instance, AF.,

From The French Revolution - Volume 3 by John Durand

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

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

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

A pure af- fection, concentric, forgetting self, forgiving wrongs and forestalling them, should swell the lyre of human love.

From Miscellaneous Writings, 1883-1896 by Mary Baker Eddy

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

From Active Service by Stephen Crane

Pearl is scheduled to be arraigned on April 1 and Wang on April 14 at the A.F.

From Los Angeles Times Mar. 31, 2026

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

One moment, much to Klara’s delight, Josie is confiding in her A.F. as though she were a sibling; the next, she’s brusquely ordering her to leave the room.

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

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

From "Brave New World" by Aldous Huxley

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