inepties

In a sentence

• Ce que tu racontes n'est que des inepties.

  What you're saying is nothing but nonsense.

  The word 'inepties' here is used to convey the idea of speech that lacks sense or reason, often used when disputing someone's statement or opinion.

• Il est inutile de lui parler, il ne fait que dire des inepties.

  It's useless to talk to him; he only speaks nonsense.

  In this sentence, 'inepties' is employed to characterize someone's habitual speech as lacking meaning or being foolish.

• Cette théorie est remplie d'inepties.

  This theory is full of nonsense.

  Here, 'inepties' describes the content of a theory, suggesting it is flawed or lacking in logic.