Definition
Jubilancy is essentially synonymous with jubilance, also signifying a state of great joy, triumph, or celebration. It is often used to describe an outward expression of delight and excitement. Think of the energy at a pep rally before a big game – that's jubilancy in action. While it carries similar connotations to general joy, jubilancy emphasizes the spirited, and often public, expression of that emotion. This is not a quiet, internal happiness, but an energetic display of joy.