F♯dim
Diminished · F♯ – A – C
- F♯R
- Am3
- C♭5
Guitar voicings
Piano
- Root
- Third / sus
- Fifth
- Sixth / seventh
- Extension
About the F♯dim chord
The F♯dim chord (Diminished) is built from F♯ (the root), A (a minor third) and C (a diminished fifth). Diminished triads are tense and unstable, often used as passing chords between stronger harmonies.