vicissitudinary

From vicissitude +‎ -in- +‎ -ary.

vicissitudinary (comparative more vicissitudinary, superlative most vicissitudinary)

1. (rare) pertaining to change, alteration, or mutation.
   • 1624, John Donne, Devotions upon Emergent Occasions (XIII. Meditation. Project Gutenberg):

     We say the elements of man are misery and happiness, as though he had an equal proportion of both, and the days of man vicissitudinary, as though he had as many good days as ill ...

• vicissitudinous

• Noah Webster (1828) “vicissitudinary”, in An American Dictionary of the English Language: […], volume II (J–Z), New York, N.Y.: […] S. Converse; printed by Hezekiah Howe […], →OCLC.
• Mrs. Byrne [Josefa Heifetz Byrne] (1979) “vicissitudinary”, in Mrs. Byrne’s Dictionary of Unusual, Obscure and Preposterous Words: Gathered from Numerous and Diverse Authoritative Sources, London: Granada Publishing, →ISBN.