noun, noun which may take the genitive case particle 'no', na-adjective
deep emotion; overwhelming emotion
A yojijukugo expressing a state of being deeply moved or filled with profound emotion, often used in formal or literary contexts.
長年の努力が実り、感慨無量の思いでいっぱいです。
After years of effort have borne fruit, I am filled with deep emotion.
He received his diploma with an expression of profound emotion.