D♯m7♭5
Half-dim · D♯ – F♯ – A – C♯
- D♯R
- F♯m3
- A♭5
- C♯♭7
Guitar voicings
Piano
- Root
- Third / sus
- Fifth
- Sixth / seventh
- Extension
About the D♯m7♭5 chord
The D♯m7♭5 chord (Half-dim) is built from D♯ (the root), F♯ (a minor third), A (a diminished fifth) and C♯ (a minor seventh). Half-diminished chords are moody and jazzy — most often the ii chord in a minor key.