German Phrase
Sind die Lichter unten aus?
Meaning
This is a standard question used to check if the electrical lights on a lower floor have been switched off. It uses the word 'aus' which functions as a predicative adjective to describe the state of being 'off'.
When to use
Use this phrase in a domestic setting, typically before going to bed or leaving the house, to ensure energy is not being wasted. It is a very common household inquiry in German-speaking countries.
✦Grammar Breakdown
Sinddie Lichteruntenaus
Sind
This is the third-person plural form of 'sein' (to be), agreeing with the plural subject 'die Lichter'.
Aus
When referring to technology or lights, 'aus' means 'off'. It is the opposite of 'an' (on).
🗨In Conversation
Ich gehe jetzt schlafen. Sind die Lichter unten aus?
I am going to sleep now. Are the lights downstairs off?
Ja, ich habe sie vor fünf Minuten ausgemacht.
Yes, I turned them off five minutes ago.
✕Common Mistakes
Sind die Lichter unten zu?
In German, 'zu' means closed, like a door. For electrical devices being off, always use 'aus'.
Haben die Lichter unten aus?
The state of being off requires the verb 'sein' (to be), not 'haben' (to have).
↔Alternatives
Hast du das Licht unten ausgemacht?
Did you turn the light downstairs off?
Brennt unten noch Licht?
Is the light still burning (on) downstairs?
Cultural Tip
Environmental consciousness and energy saving are significant parts of German culture. It is very common for family members or roommates to remind each other to turn off lights in unoccupied rooms to save electricity.

