Curfew definition: an order establishing a specific time in the evening after which certain regulations apply , especially that no civilians or other specified group of unauthorized persons may be outdoors or that places of public assembly must be closed.. curfew (plural curfews) Any regulation requiring people to be off the streets and in their homes by a certain time. quotations The time when such restriction begins. A signal indicating this time. A fireplace accessory designed to bank a fire by completely covering the embers. Curfew orders are passed by State governments under section 144 of the Indian Penal Code, 1860 to prevent the localised spread of Covid-19. Learn the meaning of curfew , a rule that people must stay at home or off the streets at night, especially during a war or a crisis. Find out how to use it in sentences and how to say it in different languages.