\Ru"in*ate\, v. t. [LL. ruinatus, p. p. of ruinare to
ruin. See {Ruin}.]
1. To demolish; to subvert; to destroy; to reduce to poverty;
   to ruin.
         I will not ruinate my f?ther's house. --Shak.
         Ruinating thereby the health of their bodies.
                                               --Burton.
2. To cause to fall; to cast down.
         On the other side they saw that perilous rock
         Threatening itself on them to ruinate. --Spenser.

\Ru"in*ate\, v. i.
To fall; to tumble. [Obs.]

\Ru"in*ate\, a. [L. ruinatus, p. p.]
Involved in ruin; ruined.
      My brother Edward lives in pomp and state, I in a
      mansion here all ruinate.                --J. Webster.