| Altersgrenze | age limit retirement age |
| Altersgruppe | age group |
| Untergrenze | lower limit |
| altersgrau | hoary |
| alterieren | upset alter inflect |
| Armutsgrenze | breadline poverty line |
| Datumsgrenze | International Date Line |
| Landesgrenze | state boundary |
| Obergrenze | upper limit |
| Altersfleck | liver spot |
| Altes Reich | Old Kingdom |
| alte Sorte | heirloom |
| alter Gauner | buzzard |
| alterfahren | seasoned |
| Alteisen | scrap iron scrap metal |
| Altersarmut | old-age poverty poverty among the elderly poverty in old age |
| Altersheim | old folk's home old people's home |
| alternieren | alternate |
| alternierend | alternating |
| Afterspinne | harvestman |