| Principales traductions |
thirty-one,
31 n | (cardinal number: 31) | trente et un, 31 nm inv |
| | (orthographe de 1990) | trente-et-un, 31 nm inv |
| | I live at number thirty-one. |
| | Il habite au trente et un. |
thirty-one,
31 adj | (31 in number) | trente et un, 31 adj n card |
| | (orthographe de 1990) | trente-et-un, 31 adj n card |
| | There are thirty-one days in January. |
| | The group was made up of thirty-one girls and thirty-five boys. |
| | Il y a trente et un jours en janvier. // Il y avait trente et une filles et trente-cinq garçons dans le groupe. |
thirty-one,
31 adj | (31 years of age) | trente et un ans nmpl |
| | (orthographe de 1990) | trente-et-un ans nmpl |
| | (plus soutenu) | âgé de trente et un ans loc adj |
| | (plus soutenu, orthographe de 1990) | âgé de trente-et-un ans loc adj |
| Note: to be 31 : avoir 31 ans, être âgé de 31 ans |
| | He will be thirty-one years old on Monday. |
| | Il aura trente et un ans lundi. |
thirty-one,
31 pron | (people, things: 31 of them) | trente et un adj n card |
| | (orthographe de 1990) | trente-et-un adj n card |
| | One class has 27 pupils, the other has 31. |
| 31 n | US, written (thirty-first day of specified month) (date) | 31 nm inv |
| Note: The example would be spoken "April thirty-first". |
| | The new regulations are due to come into effect on April 31. |
| 31 n | mainly UK, written (thirty-first day of specified month) (date) | 31 nm inv |
| Note: The example would be spoken as "(the) thirty-first of January". This date format is most commonly used in the UK, though it is gaining popularity in the US. |
| | If you wish to submit your tax return online, the deadline is 31 January. |