adj.
- Without the due formalities; abrupt: an unceremonious departure.
- Not ceremonious; informal: made an unceremonious presentation.
unceremoniousness un·cer'e·mo'ni·ous·ness n.
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.
