Japanese

Noun

甲斐 ‎(hiragana かい, romaji kai)

1. value, reward, avail, being fruitful or worth doing

Proper noun

甲斐 ‎(hiragana かい, romaji Kai)

1. Kai Province, an old province of Japan
2. A surname​.

Synonyms

• 甲州 (こうしゅう) ‎(kōshū)