f-bomb (US sl)

An instance of using the word `fuck'

the F-word (euphemistic)

Fuck

F or f /ef/

1. The sixth letter in the modern English alphabet as in the Roman (ff in medieval script was used instead of a capital F), derived from the Greek digamma (Ϝ, ϝ), its sound a voiceless labiodental fricative formed by bringing the lower lip into contact with the upper teeth
2. The fourth note of the diatonic scale of C major (music)
3. The key or scale having that note for its tonic (music)
4. In hexadecimal notation, 15 (decimal) or 1111 (binary)
5. Anything shaped like the letter F

F clef noun (music)

The bass clef

fˈ-hole noun

Either of a pair of holes in the belly of a violin, etc, shaped like an italic f

Fˈ-layer noun

The highest layer of the ionosphere, in which radio signals are transmitted

fˈ-number noun (photography)

The ratio of the focal length to the true diameter of a lens

fˈ-stop noun (photography)

A setting on a camera to show the f-number currently in use

the three F's (historical)

Free sale, fixity of tenure, fair rent (objectives of Irish land reformers in the late 19c)

F̄

(medieval Roman numeral) 40000