Pronunciation: (drop'ded"), [key]
1. inspiring awe, astonishment, or envy: a drop-dead guest list; a drop-dead sable coat.
2. being the most extreme limit or possibility: What's the drop-dead date for handing in term papers? That is our drop-dead offer.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.