IPA: /ˈruːɪnəbl/
KK: /ˈruːɪnəbl/
Able to be destroyed or damaged beyond repair.
The old building was considered ruinable due to its poor condition.
Ruinable → It is formed from "ruin" (from Latin *ruina*, meaning a fall or collapse) and "-able" (meaning capable of). The word "ruinable" means capable of being ruined or subject to collapse.
Think of something that can 'fall' or 'collapse' ('ruina') and is 'capable of' ('-able') being ruined.