After Dark is a term used to describe the time period after sunset and before sunrise. It is often associated with nighttime activities such as going out to dinner, attending parties, or going to the movies. The two crossword solutions for the term After Dark are TONIGHT and ATNIGHT. TONIGHT is an adverb that means during this evening or on this night. ATNIGHT is an adverb that means at the time of night. Both words can be used to refer to the time period after dark.