This is the 14392nd most frequent Korean word.
무산
"무산" means "dissolution" or "failure to materialize."
In this sentence, "무산" means 'being thwarted' or 'falling through,' generally referring to plans or endeavors that fail to materialize.
계획이 무산되었습니다.
The plan was thwarted.
Here, "무산" depicts the act of something, such as a dream or ambition, not being realized or disappearing over time.
그의 꿈은 결국 무산되고 말았다.
His dream ultimately dissipated.
"무산" in this context is used to express how an agreement or settlement failed to come to fruition intentionally or unintentionally.