grand festival; big festival
Refers to a large-scale, important, or especially lively festival, often with a long history or major community involvement.
この町の大祭りは毎年八月に行われる。
This town's grand festival is held every August.
大祭りにはたくさんの屋台が出る。
Many food stalls appear at the grand festival.
Compound of 大 (おお, 'big, great') and 祭り (まつり, 'festival').