D#dim is a diminished, spelled D#, F# and A. In Ukulele (low G) tuning (G3 C4 E4 A4) the easiest shape is x320, which sits at fret 2, spans 1 fret, lets 1 string ring open and mutes 1 string. 12 positions for it are shown below, from the nut up to fret 14.
Notes and intervals
Note
D#
F#
A
Interval
1P
3m
5d
12 ways to play it
Ordered by how hard they are to fret, easiest first, one per position on the neck. Fret numbers are relative to the position marked beside each grid.
x320sits at fret 2, spans 1 fret, lets 1 string ring open and mutes 1 string8650sits at fret 5, spans 3 frets and lets 1 string ring openx15140sits at fret 14, spans 1 fret, lets 1 string ring open and mutes 1 string89119sits at fret 8 and spans 3 frets119110sits at fret 9, spans 2 frets and lets 1 string ring openx151412sits at fret 12, spans 3 frets and mutes 1 string1115140sits at fret 11, spans 4 frets and lets 1 string ring open2320sits at fret 2, needs a barre across 3 strings at fret 2 and lets 1 string ring open232xsits at fret 2, needs a barre across 3 strings at fret 2 and mutes 1 stringx656sits at fret 5, spans 1 fret and mutes 1 string8656sits at fret 5 and spans 3 frets865xsits at fret 5, spans 3 frets and mutes 1 string
Keys D#dim belongs to
D#dim is diatonic to 8 of the 96 keys this app knows, playing a different role in each.