いちばん

一番

表記・読み：１番・いちばん

1. 1

   number one; first; first place

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

   best; most

   副詞
3. 3

   game; round; bout

   名詞
4. 4

   as a test; as an experiment; by way of experiment; by way of trial; tentatively

   副詞
5. 5

   song (e.g. in noh); piece

   名詞