| Czech | iracionální číslo |
| Chinese (simplified) | 无理数 |
| English | irrational number , irrational |
| Indonesian | bilangan irasional |
| Italian | numero irrazionale |
| Japanese | 無理数 |
| Malaysian | nombor bukan nisbah |
| Hyponym: | transcendental_number algebraic_number |
| Hypernym: | real_number |
| Semantic Field: | quantityn |