Final answer:
The word 'saturnine' means sullen, morose, or gloomy.
Step-by-step explanation:
The word 'saturnine' is an adjective that describes someone or something as sullen, morose, or gloomy. It is often used to describe a person's temperament or mood.
For example, if someone is described as having a saturnine personality, it means they tend to be solemn, somber, or even melancholic.
The word 'saturnine' can also be used to describe a situation or atmosphere that is dark, gloomy, or lacking in cheerfulness.