위대해요 · 위대했어요 · 위대한 (+noun)
great, mighty, magnificent
Example
세종대왕은 한글을 만든 위대한 왕이에요.
King Sejong is the great king who created Hangeul.
Word parts
위 great, grand+대 big
Literally 'grand and big'; reserved for historic figures and achievements.
Good to know
Much stronger than English 'great'; for 'a great meal' use 훌륭하다 or 최고, not 위대하다.
Related words