What does "ruinous" mean?

Ruinous: Characterized by ruin; ruined; dilapidated; as, an edifice, bridge, or wall in a ruinous state.

Additional senses

  1. 2.Composed of, or consisting in, ruins. Behold, Damascus . . . shall be a ruinous heap. Isa. xvii.
  2. 3.-- Ru"in*ous*ly, adv. -- Ru"in*ous*ness, n.

Sources