Word.ws English Dictionary

mf

mf is the initialism of motherfucker.

mf is the initialism of motherfucking.

Meaning of motherfucker

Noun

motherfucker (plural motherfuckers)

  1. (offensive, vulgar) An extremely contemptible, vicious or mean person.
    • Up against the wall, motherfucker.
  2. (vulgar) Any person, often but not always with the connotation that the person is disliked or is threatening.
    • Check out this motherfucker.
  3. (vulgar) An extremely intense experience, often but not always negative.
    • War is a motherfucker.
    1. (vulgar, forming a compound unit adverbial intensifier) To an extreme degree.
      • I jammed my finger in the door yesterday. It hurt like a motherfucker.
  4. (vulgar) A good very close friend or relative.
    • How’ve you been, you crazy motherfucker?
  5. (literally, vulgar) One who engages in incest with their mother.
    • For quotations using this term, see Citations:motherfucker.

See all 8 meanings of motherfucker

Meaning of motherfucking

Adjective

motherfucking (not comparable)

  1. (slang, vulgar) An intensifier, used in the same contexts as fucking, but more intense.
    • America, fuck yeah! / Comin' again to save the motherfuckin' day, yeah!2004, Trey Parker, “America, Fuck Yeah”

See all 2 meanings of motherfucking

Noun capitalized: MF

MF (countable and uncountable, plural MFs)

  1. (abbreviation, initialism, slang, vulgar) Initialism of motherfucker.
    Synonyms:
    MFer
  2. (abbreviation, initialism) Initialism of medium frequency.
  3. (abbreviation, initialism) Initialism of multi-frequency.
    • MF signaling
  4. (abbreviation) Abbreviation of myelofibrosis.
  5. (abbreviation, initialism) Initialism of married female.

Adjective capitalized: MF

MF (not comparable)

  1. (abbreviation, initialism, slang, vulgar) Initialism of motherfucking.
    Synonyms:
    MFing

Synonyms of mf

Forms of mf

pluralmfs
pluralMFs

Questions about mf

What is mf the initialism of?
Mf is the initialism of motherfucker.
What part of speech is mf?
Mf can be a noun or an adjective.
What is the plural of mf?
The plural of mf is mfs.

Words near mf in the dictionary

  1. meändering
  2. meänders
  3. Meänkieli
  4. Međimurje
  5. Međimurska
  6. mf
  7. MFA
  8. MFAs
  9. MFB
  10. MFC
  11. MFCC

Source and license

Adapted from Wiktionary: mf (page history and authors); MF (page history and authors); motherfucker (page history and authors); motherfucking (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-MF.ogg.

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