| Answer | Crossword Clue |
|---|---|
| diuturnal | of long continuance; lasting |
| longwearing | lasting a long time eg of clothes |
| chronic | (of a problem) Long-lasting and difficult to eradicate |
| classics | A garment of a simple, elegant, and long-lasting style |
| aeonic | lasting for an immeasurably or indefinitely long period of time |
| viridian | long-lasting, bluish-green pigment, consisting of a hydrated oxide of chromium |
| marathons | A long-lasting or difficult task or operation of a specified kind |
| marathon | A long-lasting or difficult task or operation of a specified kind |
