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

Adjective

(en adjective)

Lasting only a short time; temporary.

* 1704 , , Section I - The Introduction,

Secondly, that the materials being very transitory , have suffered much from inclemencies of air, especially in these north-west regions.

* 1839 , , Chapter 38,

Quite unconscious of the demonstrations of their amorous neighbour, or their effects upon the susceptible bosom of her mama, Kate Nickleby had, by this time, begun to enjoy a settled feeling of tranquillity and happiness, to which, even in occasional and transitory glimpses, she had long been a stranger.

* 1922 , , Book Three, Chapter II: A Matter of Aesthetics,

For a moment she paused by the taxi-stand and watched them--wondering that but a few years before she had been of their number, ever setting out for a radiant Somewhere, always just about to have that ultimate passionate adventure for which the girls' cloaks were delicate and beautifully furred, for which their cheeks were painted and their hearts higher than the transitory dome of pleasure that would engulf them, coiffure, cloak, and all.

(legal, of an action) That may be brought in any county; opposed to local .

(Blackstone)

(Bouvier)