SF

Meanings

1. Initialism of science fiction or speculative fiction, often used to avoid having to choose between the two.
2. Initialism of square feet.
3. Initialism of spontaneous fission.
4. Initialism of small forward.
5. Abbreviation of semifinal.
6. Initialism of single female.

1. Initialism of San Francisco.
2. Initialism of Sinn Féin; an Irish political party.
3. Initialism of Street Fighter.
4. Initialism of Super Formula.

1. Initialism of smoker-friendly: not objecting to people who smoke tobacco.

1. Alternative form of SF (science fiction)
2. Abbreviation of significant figure(s).

1. a book size one sixty-fourth of the size of a standard uncut sheet of paper (less 7.5 cm (3") in height)

Etymology

Abbreviation of sixty-fourth