ˈruinable,a.rare. [f.prec. + -able.] That may be ruined; perishable. 1706I. Watts Horæ Lyricæ I. 31 Above these ruinable skies They make their last retreat.1707― Hymn, ‘Praise, everlasting praise be paid’ viii, Our everlasting hopes arise Above the ruinable skies.