| Date: | 1300-1400 |
| Language: | Old French |
| Origin: | Latin aeternus 'eternal' |
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e‧ter‧nal

1 continuing for ever and having no end :
the Christian promise of eternal life
the Christian promise of eternal life2 seeming to continue for ever, especially because of being boring or annoying [= never-ending]:
the eternal arguments between mother and son
the eternal arguments between mother and son