adj.
Full of or involving peril; dangerous.
perilously per'il·ous·ly adv.
perilousness per'il·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.
