This is the 1240th most frequent Korean word.
컸다
"컸다" means "was big" or "grew" in English.
Used to express the process of growing.
어릴 때 나는 컸다.
When I was young, I grew up.
Used as an adjective to describe the size.
그 집이 정말 컸다.
That house was really big.
Used figuratively to denote a large impact.