| xīn | happy |
| 欣 | happy |
| 欣喜 | happy |
| 欣喜若狂 | to be wild with joy (idiom) |
| 欣幸 | be glad and thankful |
| 欣弗 | brand name of a glucose injection that caused medical scandal |
| 欣快剂 | [Medicine] an euphoriant |
| 欣快症 | euphoria; hyperhedonia; chaeraphrosyne; hyperhedonism; euphory |
| 欣悉 | be glad to learn |
| 欣悦 | happy |
| 欣慕 | admire |
| 欣慰 | to be gratified |
| 欣欣 | joyfully |
| 欣欣向荣 | luxuriant growth (idiom); flourishing thriving |
| 欣欣然 | Cheerful. |
| 欣然 | agreeably; cheerly; fain; without reluctance; with readiness; soon; delightfully; delightfulness; readily |
| 欣然接受 | to welcome; to embrace; to take in good part; to receive in entire good part; to accept with pleasure |
| 欣羡 | admire; envy |
| 欣赏 | to appreciate to enjoy to admire |
| 欣跃 | dancing with glee |