There was always too much superfluous writing in his essays.
She gave him a look that made words superfluous.
Further discussion seemed superfluous
a modern building with no superfluous decoration
superfluous hair(s)
Samantha had already won the campaign so her constant flattery of others was superfluous
The report was marred by a mass of superfluous detail
note that ellipses are used to hide superfluous information
The real, biological nervous system is highly complex and includes some features that may seem superfluous based on an understanding of artificial networks.
Just as the female ant after coition loses her wings, which then become superfluous, nay, dangerous for breeding purposes, so for the most part does a woman lose her beauty after giving birth to one or two children; and probably for the same reasons.