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Constant vs Eternal - What's the difference?

constant | eternal | Related terms |

As adjectives the difference between constant and eternal

is that constant is unchanged through time or space; permanent while eternal is lasting forever; unending.

As a noun constant

is that which is permanent or invariable.

constant

English

Adjective

(en adjective)
  • Unchanged through time or space; permanent.
  • Consistently recurring over time; persistent.
  • * {{quote-magazine, date=2013-11-16, volume=409, issue=8862, magazine=(The Economist), author=Schumpeter
  • , title= The mindfulness business , passage=The constant pinging of electronic devices is driving many people to the end of their tether. Electronic devices not only overload the senses and invade leisure time. They feed on themselves: the more people tweet the more they are rewarded with followers and retweets.}}
  • Steady in purpose, action, feeling, etc.
  • * Sir (Philip Sidney) (1554-1586)
  • Both loving one fair maid, they yet remained constant friends.
  • * (William Shakespeare) (1564-1616)
  • I am constant to my purposes.
  • * (John Dryden) (1631-1700)
  • His gifts, his constant courtship, nothing gained.
  • Firm; solid; not fluid.
  • * (Robert Boyle) (1627-1691)
  • Ifyou mix them, you may turn these two fluid liquors into a constant body.
  • (obsolete) Consistent; logical.
  • * Shakespeare, Twelfth Night IV.ii
  • I am no more mad than you are: make the trial of it with any constant question.

    Noun

    (en noun)
  • That which is permanent or invariable.
  • (algebra) A quantity that remains at a fixed value throughout a given discussion.
  • (science) Any property of an experiment, determined numerically, that does not change under given circumstances.
  • (computing) An identifier that is bound to an invariant value; a fixed value given a name to aid in readability of source code.
  • See also

    * (computing) literal ----

    eternal

    English

    Alternative forms

    * (chiefly archaic) * (obsolete) * eternall (obsolete)

    Adjective

    (-)
  • Lasting forever; unending.
  • * John Locke
  • to know whether there were any real being, whose duration has been eternal
  • * Dryden
  • Fires eternal in thy temple shine.
  • * {{quote-news
  • , year=2012 , date=May 27 , author=Nathan Rabin , title=TV: Review: THE SIMPSONS (CLASSIC): “New Kid On The Block” (season 4, episode 8; originally aired 11/12/1992) , work=The Onion AV Club citation , page= , passage=In a bid to understand the eternal mystery that is woman, Bart goes to the least qualified possible source for advice and counsel: his father, who remarkably seems to have made it to his mid-30s without quite figuring out much of anything. }}
  • (philosophy) existing outside time; as opposed to sempiternal, existing within time but everlastingly
  • (dated) Exceedingly great or bad; used as an intensifier.
  • some eternal villain

    Synonyms

    * permanent, sempiternal, endless, everlasting * (existing outside time) timeless, atemporal

    Antonyms

    * ephemeral * sempiternal

    Derived terms

    * eternal life * eternal recurrence * eternal return * eternal triangle * hope springs eternal