This is the 10431st most frequent German word.
quali
"Quali" is short for "Qualifikationsabschluss," referring to a school-leaving qualification in Germany, typically the Mittlere Reife.
Here, 'quali' is the short form for 'Qualifikation', meaning qualification.
Die Qualifikation für das Turnier ist ein aufregender Moment.
The qualification for the tournament is an exciting moment.
In this sentence, 'quali' is again short for 'Qualifikation', referring to a qualifying round or stage in a competition context.
Ich werde mich gut auf die Quali vorbereiten.
I will prepare well for the qualification.
Here, 'quali' is used colloquially to refer to 'schulische Qualifikation', meaning educational qualifications or preparations.