dark
The word 'oscuro' in Spanish refers to the lack of light in a physical space or the colour black, akin to its usage in English. It can be used describing the colour of an object, the weather, or a room. It can also be metaphorically used for describing situations or moods that are gloomy or depressing, just like in English-language usage.
The room is very dark.
This sentence is about the description of a place. Using 'muy' before 'oscuro' strengthens the degree of darkness.
It's dark outside.
None
I'm scared when it's dark.
This phrase is used to express feelings or emotions associated with certain situations, in this case, darkness.
His eyes are dark.
This statement is used to describe the color or appearance of someone's eyes.
The sky is getting dark.
This is a sentence that describes the time of day or any dramatic changes in weather.
It's hard to see in the darkness.
'Oscuridad' is a variation of 'oscuro' that means darkness.
Dark chocolate is my favorite.
'Oscuro' can also refer to colors particularly in this statement to type of chocolate.
I hate dark and rainy days.
This sentence expresses mood regarding the weather condition.
Dark color suits you well.
In this statement, 'oscuro' is used to compliment one's appearance. It can describe a backdrop, clothing, or accessories.
The night is dark and full of terrors.
This sentence might be used in a dramatic or poetic context, where 'oscura' is describing the fearfulness of the night.