The G diminished seventh chord (abbreviated "Gdim7 chord") is a four-note chord consisting of the notes G, B, D, and F. The chord is formed by adding a diminished seventh to a G diminished chord.

Name
G diminished seventh chord
Synonym
G fully diminished chord
Notes
G B D F
Intervals
1 3 5 7
Chord symbol
Go7
Alternative symbols
Gdim7 Gdim Go
Type
tetrad (four-note chord)

Gdim7 chord on piano

Gdim7 chord on guitar

Gdim7 chord on ukulele

Gdim7 chord on the staff