Ruinous /(?)/

Ru·in·ous

Ruinous

a.
  1. Causing, or tending to cause, ruin; destructive; baneful; pernicious; as, a ruinous project.
    After a night of storm so ruinous.
  2. Characterized by ruin; ruined; dilapidated; as, an edifice, bridge, or wall in a ruinous state.
  3. Composed of, or consisting in, ruins.
    Behold, Damascus . . . shall be a ruinous heap.
    — Isa. xvii. 1.