Sunset (noun)

1. The time in the evening when the sun goes below the horizon.
2. The act or process of the sun going below the horizon.
3. The colors and appearance of the sky during this time.

Origin:

From sun + set.

Examples:

1. The sunset was beautiful with vibrant red and orange hues.
2. We watched the sunset from the beach.
3. The sunset signals the end of the day.
4. The sunset was the perfect backdrop for our wedding.
5. The sunset was so breathtaking that it took our breath away.