flawless gem or jewel

Senses

(bound form) yoga

(bound form) used in the word for yoga, 瑜伽 yú​jiā

fine jade

(bound form) fine jade; beautiful jade

luster of gems

the luster of gems; (metaphorically) a person's virtues or strengths, often contrasted with xiá

[surname]

the surname Yu

References

antonym 瑜/瑜 瑕/瑕
see 瑜/瑜 瑜伽/瑜伽
antonym 瑕/瑕 瑜/瑜