Informal Completely broke; having no money.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "stone-broke" in a sentence
"When he is here, he prefers to dismiss his retinue and dress himself—he is much quicker than one would expect for a prince, but then he was for a long time a stone-broke prince in exile."
"Harry is stone-broke one moment, but darts away and will return with money which will provide for an astonishing trip to London."
"We even fell afoul of highwaymen on the return leg, gentlemen so inept they didn't know what to do when they found out that everyone aboard the coach was stone-broke."