mf

¹

1. medium frequency.

2. millifarad; millifarads.

MF

²

abbreviation

1. medium frequency.

2. Middle French.

mF

³

Or mf

1. millifarad; millifarads.

mf.

⁴

abbreviation

1. Music.,  mezzo forte.

2. microfarad.

m/f

⁵

Or M/F

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

M.F.

⁶

abbreviation

1. Master of Forestry.

2. Middle French.

MF

¹

abbreviation

1. radio medium frequency

2. Middle French

mf

²

abbreviation

1. mezzo forte

Word History and Origins

Origin of mf¹

Italian: moderately loud

When To Use

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.