adjective
boring, tedious
A2
Langweilig is an adjective meaning 'boring' or 'tedious', used to describe people, events, or things. It's gradable: comparative langweiliger, superlative am langweiligsten. Not a participle, no auxiliary verbs. Common construction: etwas ist langweilig. Antonyms include interessant, spannend. No special preposition or reflexive use.
Examples
Die Aufgabe im Kurs war ziemlich langweilig und langwierig.
The task in the course was pretty tedious and long-winded.
Der Film war leider sehr langweilig.
Unfortunately, the film was very boring.
Der Film war langweilig, obwohl die Schauspieler gute Rollen spielten.
The film was boring, although the actors played good roles.
Details
Mnemonics
Imagine a clock ticking slowly while someone yawns, labeled 'langweilig'
Think 'long-wailing' — an endless wail = boring
Notes
Langweilig describes lack of excitement; use for events, people (can be impolite), tasks.