The word “bui” has appeared earlier in 21. Ui.

1. (rain) shower [noun] [de bui, de buien]

Examples:
– “De boeren zaten erg te wachten op een stevige bui.”
(“The farmers were waiting very much for good rain shower.”)

– “Het weer is vandaag wisselvallig met veel buien.”
(“The weather today is unstable/changeable with lots of showers.”)

Related words:
– “Regenbui”: rain shower.
– “Regen”: rain.

2. mood [noun] [de bui, de buien]

Examples:
– “Frank was in een slechte bui vanwege de hevige buien.”
(“Frank was in a bad mood because of the severe rain showers.”)

– “Heeft ze weer zo’n bui?”
(“Is she having a bad mood again?” Literally: “Is she having another one of those moods again?”)

Related word:
– “Stemming”: mood, atmosphere (lit.: tuning).