lights-out

Mandatory sleeping time

Lights-out is the designated time when lights must be extinguished, especially in barracks, dormitories, or summer camps: Lights-out is at ten o'clock.

The term evokes institutional settings with enforced bedtimes.

As an adjective, lights-out describes something exceptional or dominant, especially in sports: He pitched a lights-out game.

sleep

bedtime

Designated hour for retiring

nighttime · pillow · blanket · pajamas · drowsiness · yawn · lullaby · tuck-in · goodnight · snooze

ending

finale

Concluding part of performance

wrap-up · completion · termination · knockout · decisive · domination · blowout · victory · game over · last call

curfew

lockdown

Enforced restriction on movement

military · patrol · compliance · authority · emergency · control · prohibition · barracks · boarding school · dormitory

blackout

power outage

Loss of electrical supply

generator · grid failure · pitch-black · outage · brownout · storm · utility · backup power

Opposites
daily schedule signals

lights-outreveille

Military dawn summons

wake-up call · first call · roll call · assembly

illumination state

lights-outlit up

Made bright or elated

illuminated · illumination · bright · bright lights · daylight

consciousness/activity state

lights-outrise and shine

Cheerful wake-up call

wake-up · getting up · morning routine · opening time · dawn

Family

light, lightly, highlight, sunlight, twilight, spotlight, daylight, lighting, lighter

Familiarity
Top 200,000
Profile
Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G