superfluous

Being beyond what is required or sufficient.

More than is wanted or sufficient; unnecessary from being in excess of what is needed; excessive; redundant; needless: as, a composition abounding with superfluous words.

Supplied with superfluities; having somewhat beyond necessaries.

Doing more than what is called for; supererogatory.

Excessive.

In music, of intervals, augmented.

More than is wanted or is sufficient; rendered unnecessary by superabundance; unnecessary; useless; excessive.

an interval that exceeds a major or perfect interval by a semitone.

In excess of what is required or sufficient.

serving no useful purpose; having no excuse for being