ebullience UK /ɪˈbʊl.i.əns/US /ɪˈbʊl.jəns/ noun2 •(figurative) The quality of enthusiastic or lively expression of feelings and thoughts.[H]is friend, with great ebullience of passion, many praises of his own good play, and many maledictions on the power of chance, took up the cards, and threw them into the fire. — 1771 •A boiling or bubbling up; an ebullition.In the end, however, rebellion must exhaust itself. We grow weary of our paltry carnal transports, our ebulliences of defiance, our abortive expeditions to the frontiers of the respectable world. — 2016 formsebulliences