(Christianity) The sin which is unpardonable by God and therefore make salvation impossible.

plural of eternal sin

(Internet slang, historical) A period beginning around 1993, in which large amounts of new users were joining Usenet.

(dated) Alternative form of eternal life

plural of eternal triangle

(religion, philosophy, psychology) The condition in which all reality is experienced in the present, with the past contained only in memory and the future only in anticipation or speculation.

(of a submarine) to be lost at sea

The feeling of hopefulness endlessly renews itself.

A proposed alternative to a black hole whose collapse continually slows down, and that does not form an event horizon

plural of eternally collapsing object