superfluo
superfluous; unnecessary; redundant
adjective soo-PER-floo-oh Rare
Origin: Latin superfluus, from super (over) + fluere (to flow)
Usage Note
Superfluo describes something beyond what is needed — dettagli superflui (superfluous details), spese superflue (unnecessary expenses). It is a formal-register adjective, and the English 'superfluous' is a direct cognate. The antonym is necessario (necessary).
Examples
"Questi dettagli sono del tutto superflui."
Natural Translation
These details are entirely superfluous.

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