sundown

As a noun sundown

is (us) sunset.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between curfew and sundown

is that curfew is any regulation requiring people to be off the streets and in their homes by a certain time while sundown is (us) sunset.

As nouns the difference between sundown and sunrise

is that sundown is sunset while sunrise is the time of day when the sun appears above the eastern horizon.

As an adjective sunrise is

pertaining to an unusually early time of day.

As nouns the difference between sundown and eventide

is that sundown is (us) sunset while eventide is evening.

Sunsetampflash is likely misspelled.

Sunsetampflash has no English definition.

As a noun sundown

is sunset.

As nouns the difference between rundown and sundown

is that rundown is a rough outline generally used in the definite, as the rundown while sundown is (us) sunset.

As an adjective rundown

is .

As nouns the difference between taxonomy and sundown

is that taxonomy is the science or the technique used to make a classification while sundown is (us) sunset.