宇う宙ちゅううちゅうCommon wordJLPTN4Freq.FrequencyTop 2,000Meanings1noununiverse; cosmos; spaceBroad term for outer space, the cosmos, or the universe as a whole. Used in scientific, philosophical, and everyday contexts.宇う宙ちゅうの起き源げんについて研けん究きゅうしている。I am researching the origin of the universe.いつか宇