The name Sadao (サダヲ) is of Japanese origin.
The meaning of Sadao is "decisive man".

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Traits:
analytical, intellectual, spiritual, contemplative, focused, aloof, outgoing, friendly, flexible, upbeat, versatile, powerful, ambitious,.......
........Still evolving

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Famous People Named Sadao Throughout History:
1. Sadao Araki, a Japanese soldier, member of nobility (Baron), politician, and political philosopher born in Tokyo
2. Sadao Bekku, Japanese classical composer
3. Sadao Fuchigami (渕上 貞雄 Fuchigami Sadao), Japanese politician
4. Sadao Funatoko, Japanese actor, stage actor and musician. Nominated for best actor in the 31st Japanese Academy Award
5. Sadao Munemori, posthumous recipient of the U.S. Army Medal of Honor
6. Sadao Sei (清貞雄), Japanese astronomer
7. Sadao Watanabe (artist) (ja:渡辺禎雄)
8. Sadao Watanabe (musician) (ja:渡辺貞夫)
9. Sadao Yamanaka, a Japanese film director and writer in the 1930s
10. Sadao Funatoko, a Japanese actor, stage actor and musician. Nominated for best actor in the 31st Japanese Academy Award

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Name Usage:
サダヲは止められない
Sadao is Unstoppable

When you eat dirt for the first time and leave your family to build a shack in the woods