ruinous
/ˈɹuː.ɪnəs/ adjective
- adjective Causing ruin; destructive, calamitous.
- adjective Extremely costly; so expensive as to cause financial ruin. “They were forced to completely replace the roof at ruinous expense.”
- adjective Characterized by ruin; ruined; dilapidated; as, an edifice, bridge, or wall in a ruinous state.
Synonyms
Etymology
From Middle English ruynous, from Old French ruinos, ruineus, from Latin ruīnōsus. By surface analysis, ruin + -ous.
Webster’s 1913
- adjective Causing, or tending to cause, ruin; destructive; baneful; pernicious; as, a ruinous project.
- adjective Characterized by ruin; ruined; dilapidated; as, an edifice, bridge, or wall in a ruinous state.
Etymology [L. ruinosus: cf. F. ruineux. See Ruin.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “ruinous”, CC BY-SA 4.0. Details