This is the 11152nd most frequent French word.
prolongés
Extended; prolonged.
Used as the past participle 'prolongées' to indicate that the vacation duration was extended.
Les vacances d'été ont été prolongées en raison des travaux scolaires.
The summer holidays were extended due to the school works.
Used as an adjective 'prolongées' describing evenings that are lengthy in duration.
Ils apprécient les soirées prolongées à discuter sous les étoiles.
They enjoy extended evenings talking under the stars.
Used as an adjective 'prolongés' indicating that the conflicts lasted for an extended time.