Jump to:

• mf
  mf

  medium frequency.
• MF
  MF

  abbreviation

  medium frequency.
• mF
  mF

  millifarad; millifarads.
• mf.
  mf.

  abbreviation

  mezzo forte.
• m/f
  m/f

  male or female: used especially in classified ads.
• M.F.
  M.F.

  abbreviation

  Master of Forestry.

mf

¹ American  

1. medium frequency.

2. millifarad; millifarads.

---

MF ² American  

abbreviation

1. medium frequency.

2. Middle French.

---

mF ³ American  

Or mf

1. millifarad; millifarads.

---

mf. ⁴ American  

abbreviation

1. Music. mezzo forte.

2. microfarad.

---

m/f ⁵ American  

Or M/F

1. male or female: used especially in classified ads.

---

M.F. ⁶ American  

abbreviation

1. Master of Forestry.

2. Middle French.

---

MF ¹ British  

abbreviation

1. radio medium frequency

2. Middle French

---

mf ² British  

abbreviation

1. mezzo forte

---

Usage

What else does MF mean? Content warning: this article contains strong language. MF can stand for many things: mutual friends, Millennium Falcon, mezzo forte, mad flow, and medium frequency, to name a few. Its most common online meaning, though, is motherfucker or motherfucking.

Etymology

Origin of mf

Italian: moderately loud

Example Sentences

Kishore Singh, author of MF Husain: The Journey of a Legend, wrote about this agreement in the Indian Express newspaper.

From BBC • Jun. 7, 2025

Omitted from the Nigerian roster was veteran MF Ngozi Okobi.

From Los Angeles Times • Jul. 16, 2023

By the time 2004′s “The Grind Date” dropped — featuring MF Doom, Ghostface Killah and 9th Wonder — I was ready.

From Washington Post • Feb. 14, 2023

Other financial companies have gotten into legal hot water for misusing customers deposits, one example being MF Global roughly 10 years ago.

From Seattle Times • Nov. 30, 2022

For the first time she jokingly admitted, in its pages, the desire for MF to become a returning client.

From Tokyo to Tijuana: Gabriele Departing America by Sills, Steven (Steven David Justin)