fosques

In a sentence

• Les habitacions són molt fosques.

  The rooms are very dark.

  In this sentence, 'fosques' is an adjective describing the noun 'habitacions,' indicating that the rooms lack adequate lighting or are not well-lit.

• A la fosca de la nit, tot sembla més misteriós.

  In the darkness of the night, everything appears more mysterious.

  Here, 'fosca' is a noun form derived from the adjective 'fosc,' meaning darkness, and it denotes the absence of light characteristic of nighttime.

• El dolent té un passat molt fosc i ple de secrets.

  The villain has a very dark past full of secrets.

  In this instance, 'fosc' metaphorically describes the past as ominous or secretive, emphasizing its negative or mysterious aspects.