This is the 11878th most frequent French word.
superflues
Unnecessary or excessive.
The word 'superflues' is used here as an adjective describing the decorations as unnecessary or excessive.
Ces décorations sont superflues et n'ajoutent rien à l'atmosphère.
These decorations are superfluous and add nothing to the atmosphere.
Here, 'superflues' characterizes expenses, indicating they are unnecessary and can be avoided.
Elle préfère éviter les dépenses superflues pour économiser de l'argent.
She prefers to avoid superfluous expenses to save money.
In this example, 'superflues' describes the items deemed unnecessary and not worth keeping.