Intermediate Words vainly in Korean: 괜히’s meaning and pronunciation vainly in Korean is 괜히. For examples, you can use like [괜히 뿌듯하다, 괜히 이야기하다]. In this post you will learn how to pronounce and use vainly in Korean along with examples. 2022.12.21 Intermediate WordsIntermediate ㄱWordsㄱ