Meanings1suddenly; all of a suddenQuickly, not allowing someone to think.Examples from Lessons (3)드라마에서 사람이 갑자기 사라져요.In the drama, someone suddenly disappears.Read the Lesson 갑자기 놀랄 때 헉 해요.When you're suddenly surprised, you go 'Heok'.Read the Lesson 공원에서 갑자기 선물을 받아서 깜짝 놀라.I am surprised because I suddenly received a gift at the park.Read the Lesson Grammar in These Examples-아/어Level 1Informal ending-(으)ㄹ 것Level 3Future tense noun modifier