C♯dim
Diminished · C♯ – E – G
- C♯R
- Em3
- G♭5
Guitar voicings
Piano
- Root
- Third / sus
- Fifth
- Sixth / seventh
- Extension
About the C♯dim chord
The C♯dim chord (Diminished) is built from C♯ (the root), E (a minor third) and G (a diminished fifth). Diminished triads are tense and unstable, often used as passing chords between stronger harmonies.