le creux

The French word "creux" is an adjective and a noun with meanings related to "hollow" or "empty."

As an adjective:

• "Creux" means hollow, sunken, or concave. For example, "un arbre creux" means "a hollow tree."
• It can describe something that has an empty space inside or is depressed, like "un ventre creux" (a hollow stomach).

As a noun:

• "Le creux" refers to a hollow, dip, or indentation in a surface or landscape, like a small valley or cavity.
• It can also figuratively mean a lull or a slack period, e.g., "le creux de la vague" (the trough of the wave; a low point).

Synonyms and differences:

Vide: Means "empty," emphasizing the absence of content or substance. "Creux" implies a physical hollow or indentation, while "vide" focuses on emptiness or vacuum. Crevasse / cavité: More specific terms referring to a crack, fissure, or cavity, often larger or geological. Concave: An adjective meaning curved inward, similar to "creux" when describing shapes. In summary, "creux" mainly conveys the idea of something being hollow or having a depression, either literally (physical space) or figuratively (a period of inactivity).