大たい才さいたいさいMeanings1noungreat talentarchaicArchaic term for a person of exceptional ability or great talent. In modern Japanese, 大才 is rarely used; more common equivalents include 天才 or 偉才.彼かれは若わかくして大たい才さいの誉ほまれ高だかかったという。It is said that he was renowned as a great talent from a young age.