This is the 121st most frequent French word.
jeune
Young.
Here, 'jeune' is used as an adjective describing the noun 'garçon' (boy), indicating his age.
Le garçon est jeune et plein d'énergie.
The boy is young and full of energy.
In this sentence, 'jeune' functions as an adjective that modifies the noun 'fille' (girl), again denoting youth.
Une jeune fille a demandé mon aide.
A young girl asked me for help.
Here, 'jeunes' is used as a noun to collectively refer to young individuals.