Dictionary
ru•in•ous
Pronunciation: (rOO'u-nus), [key]—
adj.
1. bringing or tending to bring ruin; destructive; disastrous:
a ruinous war.
2. fallen into ruin; dilapidated:
a ruinous house.
3. consisting of ruins:
a ruinous city from antiquity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.