What is boiling up or over; hence, manifesting exhilaration or excitement, as of feeling; effervescing. "Ebullient with subtlety." De Quincey. The ebullient enthusiasm of the French. Carlyle called?

ebullient — Boiling up or over; hence, manifesting exhilaration or excitement, as of feeling; effervescing. "Ebullient with subtlety." De Quincey. The ebullient enthusiasm of the French. Carlyle. (Webster's 1913.)

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