盛大

grand, lavish, on a large scale

s e̞ː d a̠ i → 盛大だ
盛 flourishing; prosperous + 大 large; great; very (as an intensifier)
adjective Rare #43,526
grand, lavish, on a large scale
JA: 町で盛大なお祭りが開かれた。
EN: A grand festival was held in town.

私は盛大で豪華な結婚式はいらない。

I don't want a big, lavish wedding.

なかなか盛大ですね

That's quite a grand affair.

— ダイ・ハード (1988)

キャサリン叔母さんが盛大なパーティーを開いてくれたわ

Aunt Catherine threw me a grand party.

— RRR (2022)

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