F-sharp minor UK /ˈɛf ʃɑːp ˈmaɪ.nə/US /ˈɛf ʃɑɹp ˈmaɪ.nɚ/ noun2 •a minor key with the notes F♯, G♯, A, B, C♯, D, E •the minor chord with a root of F-sharp