Gm7♭5
Half-dim · G – A♯ – C♯ – F
- GR
- A♯m3
- C♯♭5
- F♭7
Guitar voicings
Piano
- Root
- Third / sus
- Fifth
- Sixth / seventh
- Extension
About the Gm7♭5 chord
The Gm7♭5 chord (Half-dim) is built from G (the root), A♯ (a minor third), C♯ (a diminished fifth) and F (a minor seventh). Half-diminished chords are moody and jazzy — most often the ii chord in a minor key.