| 1 | 优秀 | 優秀 | yōu xiù | you1 xiu4 | outstanding; excellent | | |
| 2 | 优势 | 優勢 | yōu shì | you1 shi4 | superiority; dominance; advantage | | |
| 3 | 优良 | 優良 | yōu liáng | you1 liang2 | fine; good; first-rate | | |
| 4 | 优点 | 優點 | yōu diǎn | you1 dian3 | merit; benefit; strong point; advantage; Classifiers: 个 | | |
| 5 | 优美 | 優美 | yōu měi | you1 mei3 | graceful; fine; elegant | | |
| 6 | 优越 | 優越 | yōu yuè | you1 yue4 | superior; superiority | | |
| 7 | 优质 | 優質 | yōu zhì | you1 zhi4 | excellent quality | | |
| 8 | 优先 | 優先 | yōu xiān | you1 xian1 | to have priority; to take precedence | | |
| 9 | 优 | 優 | yōu | you1 | excellent; superior | | |
| 10 | 优化 | 優化 | yōu huà | you1 hua4 | optimization; to optimize; to make superior | | |
| 11 | 优惠 | 優惠 | yōu huì | you1 hui4 | privilege; favorable (terms); preferential (treatment); discount (price) | | |
| 12 | 优劣 | 優劣 | yōu liè | you1 lie4 | good and bad; merits and drawbacks | | |
| 13 | 优待 | 優待 | yōu dài | you1 dai4 | preferential treatment; to give preferential treatment | | |
| 14 | 优异 | 優異 | yōu yì | you1 yi4 | exceptional; outstandingly good | | |
| 15 | 优孟 | 優孟 | yōu mèng | You1 Meng4 | You Meng, famous court jester during the reign of King Zhuang of Chu 楚庄王 , known for his intelligence and sharp tongue | | |
| 16 | 优美自如 | 優美自如 | yōu měi zì rú | you1 mei3 zi4 ru2 | with an easy grace (idiom) | | |
| 17 | 优酪乳 | 優酪乳 | yōu luò rǔ | you1 luo4 ru3 | yogurt (loanword) (Tw) | | |
| 18 | 优惠券 | 優惠券 | yōu huì quàn | you1 hui4 quan4 | coupon | | |
| 19 | 优酷 | 優酷 | yōu kù | You1 ku4 | Youku (website) | | |
| 20 | 优质优价 | 優質優價 | yōu zhì yōu jià | you1 zhi4 you1 jia4 | high quality and high price (idiom) | | |
| 21 | 优惠贷款 | 優惠貸款 | yōu huì dài kuǎn | you1 hui4 dai4 kuan3 | loan on favorable terms; concessionary loan; soft loan | | |
| 22 | 优厚 | 優厚 | yōu hòu | you1 hou4 | generous, liberal (pay, compensation) | | |
| 23 | 优等 | 優等 | yōu děng | you1 deng3 | first-rate; of the highest order; high-class; excellent; superior | | |
| 24 | 优待券 | 優待券 | yōu dài quàn | you1 dai4 quan4 | discount coupon; complimentary ticket | | |
| 25 | 优待票 | 優待票 | yōu dài piào | you1 dai4 piao4 | reduced-price ticket (e.g. for students) | | |