IPA: //ʌnˈrɪəlaɪzəbl//
KK: /ʌnˈriːəlaɪzəbl/
Something that cannot be achieved or made real.
The project was deemed unrealizable due to its high costs and complexity.
Unrealizable → It is formed from "un-" (meaning not), "real" (from Latin "realis", meaning actual or true), and "-izable" (from Latin "-izabilis", meaning capable of being). The word "unrealizable" means not capable of being made real or actual.
Think of 'not' ('un-') being added to something 'true' ('real') and 'capable of being' ('-izable'). This helps you remember that 'unrealizable' refers to something that cannot be made real.