Pf. Definition

abbreviation
Perfect.
Webster's New World
Pfennig.
Webster's New World
Preferred.
Webster's New World
Personal foul.
American Heritage

The ccTLD for French Polynesia as assigned by the IANA.

Wiktionary
noun
(electronics) Power factor.
Wiktionary
symbol

The ISO 3166-1 two-letter (alpha-2) code for French Polynesia.

Wiktionary

(metrology) Symbol for the petafarad, an SI unit of electrical capacitance equal to 1015 farads.

Wiktionary
(physics) Peak flow.
Wiktionary

(basketball) Personal foul.

Wiktionary
(basketball) Power forward.
Wiktionary