I looked at my pupil, who did not at first appear to notice me: she was quite a child, perhaps seven or eight years old, slightly built, with a pale, small-featured face, and a redundancy of hair falling in curls to her waist.
There are no more uses of "redundant" in the book.
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What is clarifying for one reader can be a redundant distraction for another.
The company carries the same customer names and addresses in four different computer systems. Eliminating the redundant data will simplify mailing list management.