Advance ㅅ sincerity in Korean: 성의’s meaning and pronunciation sincerity in Korean is 성의. For examples, you can use like [작은 성의, 성의가 부족하다]. In this post you will learn how to pronounce and use sincerity in Korean along with examples. 2022.12.21 Advance ㅅAdvanced WordsWordsㅅ