Sf Definition

abbreviation
Sforzando.
Webster's New World
Science fiction.
Webster's New World
Sacrifice fly.
American Heritage
Square foot; square feet.
Webster's New World
Sinking fund.
American Heritage
noun

American Library Association Abbreviation for sixty-fourth, corresponding to a book size one sixty-fourth of the size of a standard uncut sheet of paper (less 7.5 cm (3") in height).

Wiktionary

Other Word Forms of Sf

Noun

Singular:
sf
Plural:
sfs