One would need the kanji of the name in order to determine the meaning since there are many kanji used that are pronounced the same but with many different meanings. For example, here are some meanings for kanji for 'Sai': fork in the road, genius, little, cut, harvest, son, cruel, blessing, curse, wife
I looked up just the word itself however and got "shrine"/"sanctuary" but I cannot be sure this is the real answer due to the mentioned meaning.
There is no Japanese name that means Unwanted. Japanese names are positive and complimentary.
It is a japanese name that means powerful snow.
ゴア /go a/ is Japanese for name 'Gore'.
It means light in japanese.
The word Yukari means a girls name in Japanese. Yukari means affinity in Japanese.
Emo means potato in Japanese.
Tsuki means moon in Japanese so...
Natsu means Summer in Japanese.
The Japanese word for snowfall is kousetsu!
ミスト /mi su to/ means 'mist' in Japanese, and it is not a name.
Sanyo is the company whose name means 'three oceans' in Japanese.
One cool and popular Japanese name is Haruki, which means "shining brightly" in Japanese. Another cool Japanese name is Akira, which means "bright and clear" or "intelligent" in Japanese.