AF

See also: Appendix:Variations of "af"

Translingual

Symbol

AF

1. (international standards) ISO 3166-1 alpha-2 country code for Afghanistan.

   Synonym: AFG (alpha-3)

English

Pronunciation

• IPA^(key): /eɪ̯ˈɛf/
• (also) IPA^(key): /æf/ (adverb)
• Rhymes: -ɛf, -æf
• Homophone: af

Noun

AF (countable and uncountable, plural AFs)

1. Initialism of air force.
2. Initialism of alternative fact.
3. Initialism of atrial fibrillation or auricular fibrillation.
4. Initialism of autofocus.
5. Initialism of adult female.
6. Initialism of auditory feedback.
7. Initialism of as found, also af, a/f.
8. (poker) Initialism of aggression factor.

Adjective

AF (not comparable)

1. Initialism of antiferromagnetic.

Adverb

AF (not comparable)

1. (Internet slang, text messaging, vulgar) Initialism of as fuck.

   Alternative forms: af, asf

   • 2023 May 16, Ella Creamer, quoting ChatGPT, “‘Beowulf is lit AF’ – could ChatGPT really write good book blurbs?”, in Katharine Viner, editor, The Guardian‎^[1], London: Guardian News & Media, →ISSN, →OCLC, archived from the original on 24 October 2026:

     Beowulf’s got plenty of admirers, so the romance is totally on point too. Trust me, this story is the lit AF, and you won’t wanna miss it.

Usage notes

Often considered less offensive than as fuck. Occasionally, it can be heard used in speech by younger speakers, particularly in the collocation “lit AF”.

Translations

atrial fibrillation

• French: FA (fr) f
• Spanish: FA f

Further reading

• auditory feedback on Wikipedia.Wikipedia

Anagrams

• F/A, FA, fa

Indonesian

Pronunciation

• IPA^(key): /ˈa.ɛf/, [ˈa.ɛf]

Noun

AF (plural AF-AF)

1. initialism of English audio frequency
2. (cardiology) initialism of English atrial fibrillation

Further reading

• “AF”, in Kamus Besar Bahasa Indonesia [Great Dictionary of the Indonesian Language] (in Indonesian), Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016

Polish

Pronunciation

• IPA^(key): /aˈɛf/
• Rhymes: -ɛf
• Syllabification: A‧F

Noun

AF m inan

1. abbreviation of autofocus

Declension

Declension of AF

	singular	plural
nominative	AF	AF-y
genitive	AF-u	AF-ów
dative	AF-owi	AF-om
accusative	AF	AF-y
instrumental	AF-em	AF-ami
locative	AF-ie	AF-ach
vocative	AF-ie	AF-y

Further reading

• “AF”, in Wielki słownik języka polskiego‎^[2] (in Polish), Instytut Języka Polskiego PAN
• “AF”, in Polish dictionaries at PWN‎^[3] (in Polish)