| Interlingue | ile-000 |
| debil | |
| English | eng-000 | dim |
| English | eng-000 | faint |
| English | eng-000 | feeble |
| English | eng-000 | flaccid |
| English | eng-000 | frail |
| English | eng-000 | infirm |
| English | eng-000 | invalid |
| English | eng-000 | lame |
| English | eng-000 | low |
| English | eng-000 | powerless |
| English | eng-000 | puny |
| English | eng-000 | slight |
| English | eng-000 | weak |
| English | eng-000 | weedy |
| Interlingue | ile-000 | caduc |
| Interlingue | ile-000 | fig.ínsatisfatori |
| Interlingue | ile-000 | fragil |
| Interlingue | ile-000 | infirm |
| Interlingue | ile-000 | labil |
| Interlingue | ile-000 | levi |
| Interlingue | ile-000 | magri |
| Interlingue | ile-000 | malad |
| Interlingue | ile-000 | marcid |
| Interlingue | ile-000 | obscur |
| Interlingue | ile-000 | pallid |
| Interlingue | ile-000 | ínclar |
| Interlingue | ile-000 | ínfirm |
| Interlingue | ile-000 | ínpotent |
| Interlingue | ile-000 | ínsatisfatori |