Superfluous is a related term of overflowing.
As an adjective superfluous
is in excess of what is required or sufficient.
As a noun overflowing is
As a verb overflowing is
In excess of what is required or sufficient.
- With a full rain suit, carrying an umbrella may be superfluous .
* excessive, extraneous, extra, pleonastic, supernumerary, surplus, unnecessary, extravagant
* 1829 , Josiah Conder, The Modern Traveler (page 205)
- the great overflowings and recedings of the waters