Words similar to perpetuity

Example sentences for: perpetuity

How can you use “perpetuity” in a sentence? Here are some example sentences to help you improve your vocabulary:

Kenner had been given the license to make Star Wars toys "in perpetuity" back in 1977, and was responsible for those little plastic Darth Vader and C-3PO figures that now sell for hundreds of dollars at collectors shows.
STEWARDSHIP -The Federal Government's responsibility for the general welfare of the nation in perpetuity.
Re Sam Hinton's The Meaning of Scientific Names [XI,1], I have had an experience which, in true biological tradition, will probably make me mildly notorious in perpetuity.
Of course, now with all the sophisticated computer graphics and so forth, maybe they will finally be able to produce one that can run in perpetuity.
It's odd to read this whole economic argument in light of Netscape's pledge to distribute Navigator (and its source code) for free in perpetuity.