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Suspended Chord (Sus Chord) – Definition
A suspended chord, often called a sus chord, is a chord in which the third is replaced by either the second (sus2) or the fourth (sus4). Because the third is missing, the chord sounds open and neither clearly major nor minor.
What is a Suspended Chord?
The two most common suspended chords are sus2 and sus4. For example, Csus2 consists of the notes C–D–G, while Csus4 contains C–F–G. In traditional harmony, a sus4 chord often resolves to a major or minor chord by moving the suspended note down to the third. In modern pop and rock music, however, suspended chords frequently stand on their own without resolving.
Suspended chords are widely used to add movement, color, and harmonic tension without changing the basic function of a chord progression.
Why are Suspended Chords useful for pianists?
Suspended chords are an easy way to make simple accompaniments sound more expressive. Pianists often alternate between a major chord and its sus2 or sus4 variations to create subtle movement while keeping the same harmonic foundation.
Learning to use suspended chords adds variety to pop, rock, worship, country, and contemporary piano playing without making chord progressions more difficult.