どんなだった

what was it like?

→ どんなだ
phrase Rare #45,127
what was it like? The subject is often omitted and understood from context.
JA: 初めて日本に行った時、どんなだった?
EN: What was it like when you first went to Japan?

どんなだった?

What was it like?

— ザ・マン・フロム・アース (2007)

君はどんなだった?

What were you like?

— ビッグ・シック ぼくたちの大いなる目ざめ (2017)

いったいどんなだった-僕が僕になる前は?

What was it really like—before I became me?

— ベルリン・天使の詩 (1987)

ねえ初めて空飛んだ時どんなだった?

Hey, what was it like the first time you flew?

— 魔女の宅急便 (1989)