adverb
now
B1
nun: adverb meaning 'now' or 'nowadays', used to indicate the present moment or a transition. Synonym: jetzt. Common at sentence start for emphasis or contrast (e.g., 'Nun, ...'). No special prepositions or reflexivity; simple temporal adverb used in formal and colloquial contexts.
Examples
Nun beginnen wir mit der Aufgabe.
Now we'll start the task.
Nun blieb den Feuerwehrleuten nur noch, die Evakuierung zu beenden, weil das Feuer sich schnell ausgebreitet hatte.
Now the firefighters only had to finish the evacuation because the fire had spread quickly.
Details
Mnemonics
Imagine a clock hand finally landing on the present moment — that's 'nun' (now)
sounds like English 'noon' (a time)
Notes
Commonly used to indicate the present moment or to move a conversation forward ('now...').