There are 2 definitions of mf in English:

mf1

Line breaks: mf

abbreviation

Mezzo forte.

Definition of mf in:

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Word of the day dinkum
Pronunciation: ˈdɪŋkəm
adjective
(of an article or person) genuine, honest, true

There are 2 definitions of mf in English:

MF2

Line breaks: MF

abbreviation

Medium frequency.

Definition of mf in: