perennity

CIDE DICTIONARY

perennity, n. [L. perennitas.].

 The quality of being perennial.  Derham.  [1913 Webster]

ROGET THESAURUS

perennity

Perpetuity

N perpetuity, eternity, everness, aye, sempiternity, immortality, athanasia, interminability, agelessness, everlastingness, perpetuation, continued existence, uninterrupted existence, perennity, permanence (durability), perpetual, eternal, everduring, everlasting, ever-living, ever- flowing, continual, sempiternal, coeternal, endless, unending, ceaseless, incessant, uninterrupted, indesinent, unceasing, endless, unending, interminable, having no end, unfading, evergreen, amaranthine, neverending, never-dying, never-fading, deathless, immortal, undying, imperishable, perpetually, always, ever, evermore, aye, for ever, for aye, till the end of the universe, forevermore, forever and a day, for ever and ever, in all ages, from age to age, without end, world without end, time without end, in secula seculorum, to the end of time, to the crack of doom, to the 'last syllable of recorded time', till doomsday, constantly, esto perpetuum, labitur et labetur in omne volubilis oevum, but thou shall flourish in immortal youth, Eternity! thou pleasing, dreadful thought, her immortal part with angels lives, ohne Rast ora e sempre.