| Mu (negative) |
| Chinese name |
| Traditional Chinese |
無 |
| Simplified Chinese |
无 |
| Transcriptions |
| Mandarin |
| - Hanyu Pinyin |
wú |
| Min |
| - Hokkien POJ |
bô |
| Cantonese (Yue) |
| - Jyutping |
mou2 |
|
| Korean name |
| Hangul |
무 |
| Hanja |
無 |
| Transcriptions |
- Revised
Romanization |
mu |
|
| Japanese name |
| Kanji |
無 |
| Hiragana |
む |
| Transcriptions |
| - Revised Hepburn |
mu |
|
The Japanese and Korean term mu (Japanese: 無; Korean: 무) or Chinese wu (traditional Chinese: 無; simplified Chinese: 无) meaning "not have; without" is a keyword in Buddhism, especially the Chan and Zen traditions.