adolescente

In a sentence

• L'adolescente prépare son sac à dos pour l'école.

  The teenager is packing her backpack for school.

  The word 'adolescente' is used as a noun to refer to a female teenager, serving as the subject of the sentence.

• Elle est encore adolescente, mais elle est très mature pour son âge.

  She is still a teenager, but she is very mature for her age.

  Here, 'adolescente' is used as an attribute adjective describing the subject, indicating her age group.

• J'ai vu une adolescente au parc jouant avec son chien.

  I saw a teenager in the park playing with her dog.

  In this sentence, 'adolescente' functions as a noun in the object position modified by the context provided.