i Register
In some senses, ebullient is marked as archaic. Watch for register when choosing this word.
adj
Enthusiastic; high-spirited.
The Spring will come with its ebullient blood, / With flush of roses and imperial eyes
Marina's oddly ebullient words seemed to come to her slow as balloons
Of a liquid: boiling and bubbling, or agitated as if boiling.
Causing heat.
It is allowed, that Senates and great Councils are often troubled with redundant, ebullient, and other peccant Humours, with many Diſeaſes of the Head and more of the Heart; with ſtrong Convulſions, with grievous Contractions of the Nerves and Sinews in both Hands, but eſpecially the Right; with Spleen, Flatus, Vertigos and Deliriums; with Scrophulous Tumors full of fœtid purulent Matter; with ſower frothy Ructations, with Canine Appetites and Crudeneſs of Digeſtion, beſides many others needleſs to mention.