辛かった

was difficult, was painful, was tough

→ 辛い
辛か spicy, hot + った Past tense (i-adjective)
adjective · past Rare #26,988
was difficult, was painful, was tough Also means “was spicy” when describing food; the intended meaning depends on context.
JA: 昨日の試験は辛かった。
EN: Yesterday's exam was tough.
Forms of 辛い

辛かったでしょう

That must have been hard for you, huh?

— 親切なクムジャさん (2005)

とても辛かった

It was really spicy!

— ラスト、コーション (2007)

今朝は二日酔い辛かったです

I had a bad hangover this morning.

昨日はとても辛かった

Yesterday was really tough.

— ラスト、コーション (2007)

辛かったよな

It was tough, wasn't it?

— ブゴニア (2025)

さぞ辛かったでしょうそうね

That must have been really tough. Yeah.

— レベッカ (1940)