RUINED Meaning of RUINED in English ru ‧ ined /ˈruːənd, ˈruːɪnd/ BrE AmE adjective [only before noun] a ruined building has been almost completely destroyed:a ruined castle ⇨ ↑ ruin 2 Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012