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