(philosophy) existing outside time; as opposed to sempiternal, existing within time but everlastingly
(dated) Exceedingly great or bad; used as an intensifier.
Esimerkit
to know whether there were any real being, whose duration has been eternal
Fires eternal in thy temple shine.
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.