Intermediate Words eldest son in Korean: 큰아들’s meaning and pronunciation eldest son in Korean is 큰아들. For examples, you can use like [결혼한 큰아들, 큰아들 내외]. In this post you will learn how to pronounce and use eldest son in Korean along with examples. 2022.12.21 Intermediate WordsIntermediate ㅋWordsㅋ