noun
boredom
B1
Langeweile means 'boredom'. It is a feminine noun (die Langeweile), usually uncountable with no plural. Common collocation: 'Langeweile haben' (to be bored). You can also say 'aus Langeweile'. It doesn't take a specific preposition and denotes a state, not a countable thing.
Examples
Im Regen hatten die Kinder Langeweile und suchten nach Spielen im Haus.
In the rain the children were bored and looked for games to play indoors.
Die Schüler blätterten stumm durch die alten Zeitschriften, weil sie große Langeweile empfanden.
The students flipped through the old magazines in silence because they felt very bored.
Details
Mnemonics
Imagine someone yawning at a long meeting — that's Langeweile.
Also think 'long while' — a long while doing nothing.
die (feminine) — picture a woman looking bored to remember 'die Langeweile'.
Notes
Usually uncountable in German (expressing a state). The standard spelling is 'Langeweile'. | Mass noun/singular-only; plural declension forms are not applicable.