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noun [ U ] uk / ˌlaɪtsˈaʊt / us / ˌlaɪtsˈaʊt / Add to word list. (at a school where children live or in the army) the time in the evening when the lights are switched off in the room where people sleep: No talking after lights-out! SMART Vocabulary: related words and phrases. Animal physiology: sleep & sleeping. altered state of consciousness.
Jul 8, 2024 · The meaning of LIGHTS-OUT is a command or signal for putting out lights. How to use lights-out in a sentence.
noun. 1. the time when those resident at an institution, such as soldiers in barracks or children at a boarding school, are expected to retire to bed. Lights out at 9 o'clock. Lights out! 2. a fanfare or other signal indicating or signifying this. Collins English Dictionary. Copyright © HarperCollins Publishers. You may also like. English Quiz.
LIGHTS-OUT meaning: 1. (at a school where children live or in the army) the time in the evening when the lights are…. Learn more.
lights-out. n. 1. the time when those resident at an institution, such as soldiers in barracks or children at a boarding school, are expected to retire to bed. 2. a fanfare or other signal indicating or signifying this.
Lights Out definition: A signal or command to extinguish lights for the night.
Lights out definition: a signal, usually by drum or bugle, that all or certain camp or barracks lights are to be extinguished for the night.. See examples of LIGHTS OUT used in a sentence.