adj. 1 existing always; without an end or (usu.) beginning in time. 2 essentially unchanging (eternal truths). 3 colloq. constant; seeming not to cease (your eternal nagging). the Eternal God. Eternal City Rome. eternal triangle a complex of emotional relationships involving two people of one sex and one of the other sex. eternality n. eternalize v.tr. (also -ise). eternally adv. eternalness n. eternize v.tr. (also -ise).
[ ME f. OF f. LL aeternalis f. L aeternus f. aevum age ]