adj.
- Exultingly joyful.
- Expressing joy.
[Latin iūbilāns, iūbilant-, present participle of iūbilāre, to raise a shout of joy.]
jubilance ju'bi·lance n.jubilantly ju'bi·lant·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.