This is the 6698th most frequent Korean word.
유치했다
"유치했다" means "was childish" or "was immature."
In this sentence, "유치했다" is used to describe the movie as being immature or targeted at very young audiences.
그 영화는 너무 유치했다고 생각해요.
I think that movie was too childish.
Here, "유치한" refers to excuses that are silly or lacking maturity, enhancing the phrase describing avoidance of such reasoning.
그는 자신의 실수를 인정하느라 유치한 변명을 하지 않았어요.
He did not make childish excuses to admit his mistake.
"유치하다" in this context describes the perception of someone's hobby as being trivial or immature, advising against such judgment.