superfluous

Meanings

1. 1
   adj

   In excess of what is required or sufficient.

   With a full rain suit, carrying an umbrella may be superfluous.

2. 2
   adj

   more than is needed, desired, or required

3. 3
   adj

   serving no useful purpose

Etymology

From Middle English superfluous, from Latin superfluus (“superfluous”), from superfluō (“overflow”), from super (“above, more than, over”) + fluō (“flow”). Compare mellifluous and fluid, also from Latin. Literally corresponds to overflow, which is from Germanic, rather than Latin.