Af

/eɪ̯ˈɛf/ adj, adv, noun, slang

adj, adv, noun, slang ·Common ·High school level

Meaning at a glance

  • Primary sense: Initialism of air force.
  • Grammar: af is listed as adj, adv, noun, slang.
  • Nearest alternatives: as fuck, audio frequency, cycle, frequency.
  • Usage evidence: 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.

How to use "af"

  1. Start with the primary definition, then check the part of speech before placing the word in a sentence.
  2. Compare nearby synonyms to make sure "af" carries the exact meaning, tone, and strength you need.
  3. Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.

Meaning check

  • Does the word fit the sentence's grammar?
  • Does it match the intended tone rather than only the dictionary definition?
  • Would a simpler synonym be clearer for the reader?
  • Is there enough surrounding context to prevent ambiguity?

Source and review context

This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "af" in a final draft.

If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.

Before you rely on this definition

Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "af" as the right word for your sentence.

If your draft is formal, technical, persuasive, or sensitive, compare "af" with a nearby alternative so the final choice matches both meaning and reader expectation.

Compare nearby meanings

  • Use synonyms when you need a softer, stronger, simpler, or more specific word.
  • Use antonyms to check the boundary of the meaning and avoid accidental contrast.
  • Use the example sentence to confirm the word behaves naturally in context.
  • Keep the original wording when a replacement adds complexity without improving precision.

Definition decision workflow

1. Identify the role

Check whether "af" is acting as adj, adv, noun, slang in your sentence. A definition is only useful when the grammar matches the way the word is being used.

2. Test the nearest option

Compare it with "as fuck" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.

3. Confirm with context

Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.

Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.

Final meaning check

Before publishing a sentence with "af", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.

When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.

Definitions

Noun
  1. 1
    Initialism of air force. abbreviation, alt-of, countable, initialism, uncountable
  2. 2
    A native African (not white-skinned) in Rhodesia. colloquial, dated

    "Actually, they say, they get on quite well with the Afs. Just have a look around the country: no hostile glares or haughtiness when whites and blacks pass in the streets, none of the riots or strikes […]"

  3. 3
    Initialism of alternative fact. abbreviation, alt-of, countable, initialism, uncountable
  4. 4
    Initialism of atrial fibrillation or auricular fibrillation. abbreviation, alt-of, countable, initialism, uncountable
  5. 5
    Initialism of autofocus. abbreviation, alt-of, countable, initialism, uncountable
Show 4 more definitions
  1. 6
    Initialism of adult female. abbreviation, alt-of, countable, initialism, uncountable
  2. 7
    Initialism of auditory feedback. abbreviation, alt-of, countable, initialism, uncountable
  3. 8
    Initialism of as found, also af, a/f. abbreviation, alt-of, countable, initialism, uncountable
  4. 9
    Initialism of aggression factor. abbreviation, alt-of, countable, initialism, uncountable
Adjective
  1. 1
    Initialism of antiferromagnetic. abbreviation, alt-of, initialism, not-comparable
Adverb
  1. 1
    Initialism of as fuck. Internet, abbreviation, alt-of, initialism, not-comparable, vulgar

    "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."

  2. 2
    Initialism of as fuck. Internet, abbreviation, alt-of, initialism, not-comparable, vulgar

    "Bored af!!!!"

Slang
  1. 1
    Intensifier meaning very or extremely. slang, internet, 2010s-2020s

    "That line was funny af."

Synonyms

All synonyms
as fuckaudio frequencycyclefrequencyfundamentalharmonic

Example

"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."

Common questions

What does "af" mean?

Initialism of air force.

What is a synonym for "af"?

Common synonyms include: as fuck, audio frequency, cycle, frequency, fundamental, harmonic.

How do you use "af" in a sentence?

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.

How do you pronounce "af"?

Pronounced /eɪ̯ˈɛf/.

Etymology

Clipping of African.

More for "af"