This is the 3256th most frequent French word.
sombres
Dark, gloomy.
In this sentence, 'sombres' describes the appearance of clouds, indicating their color and the mood they might convey through context.
Les nuages sombres annoncent l'orage.
The dark clouds signal the coming storm.
Here, 'sombre' refers to the emotional state of the person, portraying a negative or melancholic mood.
Son humeur était froide et sombre aujourd'hui.
Her mood was cold and dark today.
For this usage, 'sombres' metaphorically characterizes parts of human history, implying periods of hardship or negativity.