だいいち

第一

表記・読み：第１・だいいち

1. 1

   first; foremost; number one

   nouns which may take the genitive case particle 'no'名詞
2. 2

   most important

   nouns which may take the genitive case particle 'no'名詞
3. 3

   best; greatest; most

   nouns which may take the genitive case particle 'no'名詞
4. 4

   above all; besides; in any case; to begin with

   副詞