noun
fun, amusement
A2
'Spaß' means 'fun' or 'amusement'. It's a masculine noun (der Spaß) with plural 'Späße' (notice the umlaut and -e). Genitive singular often 'des Spaßes'. Used in many collocations: 'viel Spaß', 'Spaß haben'. Regular declension but irregular plural formation (umlaut + -e).
Examples
Obwohl das Spiel nicht gewonnen wurde, hatten die Kinder viel Spaß, weil die Trainer freundlich waren.
Although the game was not won, the children had a lot of fun because the coaches were friendly.
Wir hatten viel Spaß.
We had a lot of fun.
Die Kinder haben viel Spaß im Freibad.
The children are having a lot of fun at the outdoor pool.
Details
Mnemonics
picture a smiley face with the label 'Spaß'
der - think 'the fun (der Spaß)' with a male article image
Notes
Same meaning as 'Spass' entry; orthography with 'ß' is standard in Germany.