감개무량해요 · 감개무량했어요 · 감개무량한 (+noun)
to be overwhelmed with emotion, deeply moved
Example
30년 만에 고향에 돌아오니 감개무량합니다.
Coming back to my hometown after 30 years, I'm overwhelmed with emotion.
Word parts
감 feel+개 sigh+무 without+량 measure
Literally 'feelings beyond measure.'
Related words