rough
The French word 'rugueux' is used to describe something that is rough, meaning it is not smooth or even. It can be used to describe surfaces, textures, or even abstract concepts such as emotions or experiences. For example, you might say 'La surface de cette table est rugueuse' (The surface of this table is rough) or 'C'était une période rugueuse de ma vie' (It was a rough period of my life).
The surface of this stone is rough.
In this sentence, 'rugueuse' is used to describe the texture of the surface of the stone. It indicates that the stone’s surface is not smooth, but has an irregular or uneven feel.
The skin of the rhinoceros is very rough.
This sentence makes use of 'rugueuse' to describe the rough texture of a rhinoceros's skin. Just like in the previous example, 'rugueuse' is used as an adjective here to describe a characteristic of the noun it modifies.
The rough floorboard creaks under my feet.
In this example, 'rugueux' is used to describe the floorboard that creaks when one walks on it, potentially because it is old or the wood is of a type that remains rough even after being processed.