D defs.my
Entry 1 sense Webster, 1913

Ebullient

/ĭbˌ-ŭl'-yənt/ · E·bul·lient · IPA /ɪˈbʊliənt/
01 a. Boiling up or over; hence, manifesting exhilaration or excitement, as of feeling; effervescing.
  1. 1.
    Boiling up or over; hence, manifesting exhilaration or excitement, as of feeling; effervescing.
    “The ebullient enthusiasm of the French.” Carlyle.