ruinous
/ˈɹuː.ɪnəs/ adjective B2- Causing ruin; destructive, calamitous.
- Extremely costly; so expensive as to cause financial ruin. · They were forced to completely replace the roof at ruinous expense.
- Characterized by ruin; ruined; dilapidated; as, an edifice, bridge, or wall in a ruinous state.
Learn ruinous in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.