Noun
The quality or state of being perpetual; as, the perpetuity of laws.
Something that is perpetual.
Endless time.
The number of years in which the simple interest of any sum becomes equal to the principal.
The number of years' purchase to be given for an annuity to continue forever.
A perpetual annuity.
Duration without limitations as to time.
The quality or condition of an estate by which it becomes inalienable, either perpetually or for a very long period; also, the estate itself so modified or perpetuated.
Source: Webster's dictionaryThe wisdom of the wise and the experience of the ages is preserved into perpetuity by a nation's proverbs, fables, folk sayings and quotations. William Feather
I appeal to all loyal citizens to favor, facilitate and aid this effort to maintain the honor, the integrity, and the existence of our National Union, and the perpetuity of popular government; and to redress wrongs already long enough endured. Abraham Lincoln
The visionless officialized fatuity That once kept Europe safe for Perpetuity. Siegfried Sassoon
The government of the United States is a device for maintaining in perpetuity the rights of the people, with the ultimate extinction of all privileged classes. Calvin Coolidge
It's the jihadists who decided to make the world a battlefield and to wage war in perpetuity. Until they abandon the field, what choice do we have but to carry the fight to them? Charles Krauthammer
The Democratic and Republican parties each operates as a necessary counterweight in a partnership designed to keep the pendulum of power swinging in perpetuity from the one set of colluding quislings to the other, and back. Ilana Mercer