Ru"in*ous (?), a. [L. ruinosus: cf. F. ruineux. See Ruin.]

1.

Causing, or tending to cause, ruin; destructive; baneful; pernicious; as, a ruinous project.

After a night of storm so ruinous. Milton.

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.

Syn. -- Dilapidated; decayed; demolished; pernicious; destructive; baneful; wasteful; mischievous.

-- Ru"in*ous*ly (#), adv. -- Ru"in*ous*ness, n.

 

© Webster 1913.

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