Nightfall is the time of day when it starts to get dark. Learn the synonyms, pronunciation, and usage of nightfall with examples from Collins English Dictionary. What is Nightfall & How to Stop Nightfall? Nightfall is involuntary ejaculation during sleep. To stop it, maintain good sleep habits, manage stress effectively. / ˈnɑɪtˌfɔl / Add to word list the time at the end of the day when it becomes dark (Definition of nightfall from the Cambridge Academic Content Dictionary © Cambridge University Press) The meaning of NIGHTFALL is the close of the day : dusk. How to use nightfall in a sentence.
