Superfluous; exceeding what is natural or necessary; superabundant; exuberant; as a redundant quantity of bile or food. Notwithstanding the redundant oil in fishes, they do not increase fat so much as flesh. Redundant words, in writing or discourse, are such as are synonymous with others used, or such as add nothing to the sense or force of the expression.

Using more words or images than are necessary or useful. Where an author is redundant, mark those paragraphs to be retrenched.

In music, a redundant chord is one which contains a greater number of tones, semitones or lesser intervals, than it does in its natural state, as from fa to sol sharp. It is called by some authors, a chord extremely sharp.