[1] : The Collaborative International Dictionary of English v.0.48

eternal \eter"nal\, n.
   1. one of the appellations of god.
      1913 webster

            law whereby the eternal himself doth work. --hooker.
      1913 webster

   2. that which is endless and immortal. --young.
      1913 webster

[2] : The Collaborative International Dictionary of English v.0.48

eternal \eter"nal\, a. f. 'eternel, l. aeternalis, fr.
   aeternus. see etern.
   1. without beginning or end of existence; always existing.
      1913 webster

            the eternal god is thy refuge.        --deut.
                                                  xxxiii. 27.
      1913 webster

            to know wether there were any real being, whose
            duration has been eternal.            --locke.
      1913 webster

   2. without end of existence or duration; everlasting;
      endless; immortal.
      1913 webster

            that they may also obtain the salvation which is in
            christ jesus, with eternal glory.     --2 tim. ii.
                                                  10.
      1913 webster

   3. continued without intermission; perpetual; ceaseless;
      constant.
      1913 webster

            and fires eternal in thy temple shine. --dryden.
      1913 webster

   4. existing at all times without change; immutable.
      1913 webster

            hobbes believed the eternal truths which he opposed.
                                                  --dryden.
      1913 webster

            what are the eternal objects of poetry among all
            nations, and at all times?            --m. arnold.
      1913 webster

   5. exceedingly great or bad; -- used as a strong intensive.
      "some eternal villain."
      1913 webster

   the eternal city, an appellation of rome.

   syn: everlasting; endless; infinite; ceaseless; perpetual;
        interminable. see everlasting.
        1913 webster
see also:
etern the eternal city everlasting 

[3] : WordNet (r) 2.0

eternal
     adj 1: continuing forever or indefinitely; "the ageless themes of
            love and revenge"; "eternal truths"; "life
            everlasting"; "hell's perpetual fires"; "the unending
            bliss of heaven" syn: ageless, everlasting, perpetual,
             unending, unceasing
     2: lasting for an indefinitely long period of time syn: everlasting,
         lasting, eonian, aeonian
     3: tiresomely long; seemingly without end; "endless debates";
        "an endless conversation"; "the wait seemed eternal";
        "eternal quarreling"; "an interminable sermon" syn: endless,
         interminable
see also:
ageless everlasting perpetual unending unceasing lasting 
eonian aeonian endless interminable 

[4] : Moby Thesaurus II by Grady Ward, 1.0

123 moby thesaurus words for "eternal":
   ageless, all-comprehensive, all-inclusive, all-knowing,
   all-powerful, all-seeing, all-wise, almighty, boundless, ceaseless,
   changeless, coeternal, constant, continual, continuous, countless,
   creating, creative, dateless, deathless, endless, enduring,
   eternally the same, eterne, ever-being, ever-durable, ever-during,
   everlasting, everliving, exhaustless, extending everywhere, fixed,
   glorious, good, hallowed, highest, holy, illimitable, illimited,
   immeasurable, immemorial, immense, immortal, immutable,
   incalculable, incessant, incomprehensible, indestructible,
   inexhaustible, infinite, infinitely continuous, innumerable,
   interminable, interminate, invariable, just, lasting, limitless,
   loving, luminous, majestic, making, measureless, merciful,
   never-ceasing, never-ending, no end of, nonstop, nonterminating,
   nonterminous, numinous, olamic, omnipotent, omnipresent,
   omniscient, one, perdurable, permanent, perpetual, persistent,
   radiant, recurrent, relentless, sacred, sempiternal, shaping,
   shoreless, sovereign, steady, sumless, supreme, termless, timeless,
   ubiquitous, unalterable, unbounded, unceasing, unchanged,
   unchanging, uncircumscribed, undefined, undiminished, undying,
   unending, unfaltering, unfathomable, unintermitting, uninterrupted,
   universal, unlimited, unmeasurable, unmeasured, unnumbered,
   unplumbed, unremitting, untold, unvarying, unwavering,
   without bound, without end, without limit, without measure,
   without number

Eternal >> E Words
Eternal, definition of term: Eternal
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Eternal Life >> E Words
Eternal Life, definition of term: Eternal Life
eternal+life_pag1.html