おかしかった

was strange, was odd, was funny, was amusing

→ 可笑しい
おかし strange, odd + かった Past tense
adjective · past tense Rare #35,754
was strange, was odd Can also mean “was funny” in the sense of amusing.
JA: 昨日は少し気分がおかしかった。
EN: I felt a little strange yesterday.
was funny, was amusing
JA: 彼の話はとてもおかしかった。
EN: His story was very funny.
Forms of 可笑しい

昨日、夕飯食べた後、胃の調子がおかしかったんだ。

Yesterday, my stomach felt upset after dinner.

みんなの顔のおかしかったこと!

The looks on everyone’s faces were priceless!

— ロード・オブ・ザ・リング (2001)

おかしかった?

Was it strange?

だから最近の言動がおかしかったの?

So that's why you've been acting strange lately?

彼の話はあまりにおかしかったのでみな笑わざるを得なかった。

His story was so funny that everyone couldn't help but laugh.