いちだいじ
Meanings
Noun
1. important matter; matter of great importance; serious affair; major incident; emergency
This is a serious matter!
Pitch accent
い
ちだ
いじ
Composed of
one; 1; best; first; foremost; beginning; start
important; serious; valuable; precious; serious matter; major incident
Composed of
one large ...; a great ...
individual concrete phenomenon (as opposed to a general principle)
Examples (3 in total)
This is a serious matter!
Indeed, that is a matter of great importance.
For me, hospitalization is a major event in life.