bf

B3F4

A form of boyfriend — A male partner in an unmarried romantic relationship.

CommonScrabble 7

Meanings

bf1

nounbf (countable and uncountable, plural bfs)

plural bfs

  1. InternetabbreviationcountableinitialismInitialism of boyfriend.

    This bf style is sooo comfy; it's super oversized and the waffle material is ideal for all the chill days around the corner. PS: get the shorts, too.

    2023 November 4, Kim Duong, Megan Uy, Tarah-Lynn Saint-Elien, “22 Best Shackets to Get You Through the Chilly Fall Weather”, in Cosmopolitan
  2. InternetabbreviationcountableinitialismInitialism of best friend.
  3. abbreviationinitialismuncountableproofreadingInitialism of boldface.
  4. abbreviationinitialismuncountableInitialism of breastfeeding.

    The question I have is that my 3 yr old seems to show an interest in bf now that I'm bf the baby.

    1996 October 20, petsit@sprynet.com, “help! 3yr wants to bf?”, in alt.support.breastfeeding (Usenet), archived from the original on 04 Dec 2025
    2 more examples

    I have read and my pediatrician said that infants receive the greatest benefit from bf for a one year period, and after that nutritional and immunity benefits begin to diminish.

    1996 November 13, Michael K. Haldenstein, “How long to BF”, in misc.kids.breastfeeding (Usenet), archived from the original on 04 Dec 2025

    Honestly, one of the reasons I *chose* to see her instead of one of the peds was that I knew she was very pro-bf, into natural medicines and nutrition, and very much on the same page with me in a lot of ways, moreso than any of the peds I've seen.

    2005 February 17, Leslie, “More Weight Gain Woes :-(”, in misc.kids.breastfeeding (Usenet), archived from the original on 04 Dec 2025
verbbf (third-person singular simple present bfs, present participle bfing, simple past and past participle bfed)

present singular third person bfs · participle present bfing · participle past bfed · past bfed

  1. abbreviationinitialismInitialism of breastfeed or its inflections.

    > Anne (who pees whilst bf at least once a week) With all three babies I usually went everyday while bf.

    2006 January 18, Marie, “What can you do while breastfeeding a young baby?”, in misc.kids.breastfeeding (Usenet), archived from the original on 04 Dec 2025
    2 more examples

    Hi, I have a 4 month old son who I'm bf. I also have a 3 yr old son. I was never able to bf my 3 yr old after the first week because I was hospitalized with a uterine infection and put on IV antibiotics. […] The question I have is that my 3 yr old seems to show an interest in bf now that I'm bf the baby.

    1996 October 20, petsit@sprynet.com, “help! 3yr wants to bf?”, in alt.support.breastfeeding (Usenet), archived from the original on 04 Dec 2025

    I'm planning to bf my son until he is 6 mos. old. I've noticed from the postings that some bf their children well into the toddler years.

    1996 November 13, Michael K. Haldenstein, “How long to BF”, in misc.kids.breastfeeding (Usenet), archived from the original on 04 Dec 2025

BF2

nounBF (countable and uncountable, plural BFs)

plural BFs · alternative B.F. · alternative bf

  1. abbreviationcountableinitialismInitialism of boyfriend.

    It's not as if I was a slapper or anything like that, I just didn't want the hassle of a bf.

    2011, Brian Conaghan, The Boy Who Made It Rain, page 11
    2 more examples

    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. abbreviationcountableinitialismInitialism of best friend.
  3. abbreviationcountabledatedinitialismslangInitialism of bloody fool.

    You really are a B.F., Arthur.

    1939, Cecil Day-Lewis, Child of Misfortune
  4. abbreviationcountableinitialismInitialism of bisexual female.
  5. abbreviationcountableinitialismInitialism of black female.
  6. abbreviationinitialismuncountableInitialism of bodyfat.
  7. abbreviationcountableinitialismInitialism of booking fee.
  8. abbreviationinitialismuncountableInitialism 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
    2 more examples

    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

    Then, practice breastfeeding in front of the mirror so that you don't show too much flesh. Yes, BF is natural and good, but you don't have to flash everyone all the time. ;)

    2006 September 19, Irrational Number, “Need Advice: Breastfeeding with 3 older (13+) stepson's^([sic])”, in misc.kids.breastfeeding (Usenet), archived from the original on 04 Dec 2025
proper noun

alternative B.F. · alternative bf

  1. abbreviationinitialismInitialism of Burkina Faso.
  2. abbreviationinitialismvideo gamesInitialism of Battlefield, an FPS video game series.
  3. PhilippinesabbreviationcolloquialellipsisEllipsis of BF Homes.
verbBF (third-person singular simple present BFs, present participle BFing or BF'ing, simple past and past participle BFed or BF'd)

present singular third person BFs · participle present BFing · participle present BF'ing · participle past BFed · past BFed · participle past BF'd · past BF'd · alternative B.F. · alternative bf

  1. abbreviationinitialismInitialism of breastfeed or its inflections.

    See if you are already meeting all the criteria for successfully BF'ing your DD.

    2005 February 16, Marie, “More Weight Gain Woes :-(”, in misc.kids.breastfeeding (Usenet), archived from the original on 04 Dec 2025
    3 more examples

    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 it as its considered wierd to BFed this long.

    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

    I didn't know how to BF until I did it either. I had never seen anyone BF, yet it came very naturally to me and I nursed both my children (ds until he was 13 months and refused and dd until she was 2.5).

    2006 September 24, toto, “Need Advice: Breastfeeding with 3 older (13+) stepson's^([sic])”, in misc.kids.breastfeeding (Usenet), archived from the original on 04 Dec 2025
verb

alternative B.F. · alternative bf

  1. abbreviationinitialismInitialism of brought forward.
Cite this entry
APA

bf. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/bf

MLA

“bf.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/bf. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “bf,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/bf.

Source: bf on Wiktionary, CC BY-SA 4.0.