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Gm9b5 chord

G Half-Diminished 9th

Gm9b5 · Piano chord

1G3b3Bb3b5Db4b7F49A4
C31C4b79C5b3b5

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Notes

G – Bb – Db – F – A

Formula

1 – b3 – b5 – b7 – 9

Practice Note

The half-diminished ninth is a minor-key ii chord commonly paired with Locrian natural 2.

Try next

Gm7b5 · SimplerGm9 · SiblingC7b9 · Next in ii–VFm · ii–V–i target

About Gm9b5

The Gm9b5 chord sounds distinctive, with a half-diminished 9th character. Its notes are G, Bb, Db, F, A.

All G chords (58)

Triads

G — MajorGm — MinorGdim — DiminishedGaug — AugmentedGsus2 — Suspended 2ndGsus4 — Suspended 4thG5 — Power Chord

7ths

G7 — Dominant 7thGmaj7 — Major 7thGm7 — Minor 7thGdim7 — Diminished 7thGm7b5 — Half-Diminished 7thG6 — Major 6thGm6 — Minor 6thG7sus4 — Dominant 7th Sus4G7sus2 — Dominant 7th Sus2

Extended

G9 — Dominant 9thGmaj9 — Major 9thGm9 — Minor 9thGadd9 — Add 9Gadd11 — Add 11Gadd2 — Add 2Gadd#11 — Add Sharp 11G11 — Dominant 11thG13 — Dominant 13thG6/9 — 6/9Gmaj13 — Major 13thGm(add2) — Minor Add 2Gm(add9) — Minor Add 9Gm(add11) — Minor Add 11GmMaj7 — Minor Major 7thGm11 — Minor 11thGm13 — Minor 13thGm6/9 — Minor 6/9G7#11 — Dominant 7th Sharp 11G9#11 — Dominant 9th Sharp 11G13#11 — Dominant 13th Sharp 11G9sus4 — Dominant 9th Sus4G13sus4 — Dominant 13th Sus4Gmaj7#11 — Major 7th Sharp 11Gmaj9#11 — Major 9th Sharp 11GmMaj9 — Minor Major 9th

Altered

G7#9 — Dominant 7th Sharp 9G7b9 — Dominant 7th Flat 9G7#5 — Dominant 7th Sharp 5G7b5 — Dominant 7th Flat 5G7alt — Altered DominantG7#9#5 — Dominant 7th #9 #5G7b9b5 — Dominant 7th b9 b5G7#9b5 — Dominant 7th #9 b5G7sus4b9 — Dominant 7th Sus4 Flat 9G9#5 — Dominant 9th Sharp 5G9b5 — Dominant 9th Flat 5G13b9 — Dominant 13th Flat 9G7b13 — Dominant 7th Flat 13Gaug7 — Augmented 7thGdim(maj7) — Diminished Major 7thGaugMaj7 — Augmented Major 7th