(in combination) Abbreviation of fidelity. (e.g. in hi-fi or wi-fi) / (in combination) Abbreviation of fiction. (e.g. in sci-fi)

(Jamaica) Alternative form of to

Abbreviation of factor I. (clotting factor I) / (law enforcement) Initialism of field interview/interrogation. / (automotive) Initialism of fuel injection.

Short form of the female given name Fiona.

(music) The solfeggio syllable used to indicate the sharp of the fourth note of a major scale.

Third-person singular simple present indicative form of fy

simple past tense and past participle of fy

(aviation) Abbreviation of flight information service.

(ski) International Ski Federation

(informal) A genre of science fiction involving secret agents.