Word.ws English Dictionary

bf

bf is the initialism of boyfriend.

bf is the initialism of best friend.

bf is the initialism of boldface.

bf is the initialism of breastfeeding.

bf is the initialism of breastfeed or its inflections.

Meaning of boyfriend

Noun

boyfriend (plural boyfriends)

  1. A male partner in an unmarried romantic relationship.
    • I was playing the drums and my boyfriend was playing the electric guitar.
  2. A male friend.
  3. (attributive, often) A style of women's clothing that draws heavily from corresponding men's garments.

See all 5 meanings of boyfriend

Meaning of best friend

Noun

best friend (plural best friends)

  1. An especially close and trusted friend.
    • I know you and Virginia are on best-friend terms.1994, Penny Vincenzi, Wicked Pleasures, →ISBN, page 46
  2. (informal) An object or concept considered very useful or helpful to someone.
    • You might even say, the bigger the problem, the greater your creative potential. The problem you're facing is your best friend because it will help to bring out the best in you.2005, Jeff Davidson, The Complete Idiot's Guide to Getting Things Done, Penguin, →ISBN, page 212
  3. Used other than figuratively or idiomatically: see best, friend.

Noun capitalized: BF

BF (countable and uncountable, plural BFs)

  1. (abbreviation, countable, initialism) Initialism of boyfriend.
    • A Belgian friend of one of my p. b.f.’s (platonic boy-friends) said you were going to marry M.F. and she was awfully attractive.1929, Nancy Hoyt, Promise Not to Tell, New York, N.Y.: Horace Liveright, →OCLC, page 190
    • Fishy2: You are in New York? I really can't travel. SNasties: That's not a problem, my bf and I can travel.2008, Teri Brooks, Cracked Vases, page 127
  2. (abbreviation, countable, initialism) Initialism of best friend.
  3. (abbreviation, countable, dated, initialism, slang) Initialism of bloody fool.
    • You really are a B.F., Arthur.1939, Cecil Day-Lewis, Child of Misfortune
  4. (abbreviation, countable, initialism) Initialism of bisexual female.
  5. (abbreviation, countable, initialism) Initialism of black female.
  6. (abbreviation, initialism, uncountable) Initialism of bodyfat.
  7. (abbreviation, countable, initialism) Initialism of booking fee.
  8. (abbreviation, initialism, uncountable) Initialism of breastfeeding.
    • Am I the only one here?? Whenever I start feeding Matthew I feel like I'm making others uncomfortable.2002 April 9, Moe, “BF in UK”, in misc.kids.breastfeeding (Usenet), archived from the original on 04 Dec 2025
    • I've BF'd *everywhere* - partly because I have little choice if I don' twant^([sic]) to be locked in a hotel room, and if anyone gives me a "look" at all, it's a smile, tho probably not due to BF but to the baby I'm carrying.2006 September 13, cjra, “Ah, the joy of BF in Europe”, in misc.kids.breastfeeding (Usenet), archived from the original on 04 Dec 2025

Proper noun capitalized: BF

BF

  1. (abbreviation, initialism) Initialism of Burkina Faso.
  2. (abbreviation, initialism) Initialism of Battlefield, an FPS video game series.
  3. (Philippines, abbreviation, colloquial, ellipsis) Ellipsis of BF Homes.

Verb (1) capitalized: BF

BF (third-person singular simple present BFs, present participle BFing or BF'ing, simple past and past participle BFed or BF'd)

  1. (abbreviation, initialism) Initialism of breastfeed or its inflections.
    • Now I am sitting here 6 months on, and he is still breastfeeding and I hate that I have absolutely no support (other then from DH who is GREAT) and I have no other mum around who has BFed more then 6 months. I feel so alone and isolated (I know that sounds stupid) I have no one I can talk to about...2002 April 9, T.Ridge, “BF in UK”, in misc.kids.breastfeeding (Usenet), archived from the original on 04 Dec 2025
    • I've BF'd *everywhere* - partly because I have little choice if I don' twant^([sic]) to be locked in a hotel room, and if anyone gives me a "look" at all, it's a smile, tho probably not due to BF but to the baby I'm carrying.2006 September 13, cjra, “Ah, the joy of BF in Europe”, in misc.kids.breastfeeding (Usenet), archived from the original on 04 Dec 2025

Verb (2) capitalized: BF

BF

  1. (abbreviation, initialism) Initialism of brought forward.

Forms of bf

Noun
pluralbfs
pluralBFs
alternative formB.F.
alternative formbf
Verb
third-person singular presentbfs
present participlebfing
past participlebfed
pastbfed
third-person singular presentBFs
present participleBFing
present participleBF'ing
past participleBFed
pastBFed
past participleBF'd
pastBF'd

Phrases with bf

Questions about bf

What is bf the initialism of?
Bf is the initialism of boyfriend.
What part of speech is bf?
Bf can be a noun, a proper noun or a verb.
What is the plural of bf?
The plural of bf is bfs.

Words near bf in the dictionary

  1. bezzo
  2. bezzy
  3. Beëlzebub
  4. beïng
  5. Bełchatów
  6. bf
  7. BF Homes
  8. BF%
  9. BF'd
  10. BF'ing
  11. BFA

Source and license

Adapted from Wiktionary: bf (page history and authors); BF (page history and authors); boyfriend (page history and authors); best friend (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: En-au-BF.ogg, LL-Q1860 (eng)-Vanderdecken-BF.wav.

Cite this entry: “bf.” Word.ws, https://word.ws/bf. Based on Wiktionary, CC BY-SA 4.0.