adverb
inside, indoors
B1
Innen is a local adverb meaning 'inside' or 'indoors', used to indicate location (e.g. Das Haus ist innen warm). It’s not a preposition and doesn’t govern a case. Common antonym: außen. Use with verbs and adjectives to describe interior location or direction.
Examples
Im Winter bleiben wir meistens innen.
In winter we mostly stay indoors.
Die Kinder blieben innen, weil draußen ein heftiger Sturm tobte.
The children stayed inside because a severe storm raged outside.
Komm bitte nach innen.
Please come inside.
Details
Mnemonics
Picture an open door and an arrow pointing into the interior labeled 'innen'.
Sounds like English 'in' + '-en' -> inside.
Notes
Innen is a local adverb meaning 'inside' or 'indoors'. It contrasts with 'außen' (outside).