IPA: /əˈbjuːzəbl/
KK: /əˈbjuːzəbl/
Able to be misused or treated badly.
The system has several abusable features that can be exploited by users.
Abusable is formed from "abuse" (from Old French *abuser*, meaning to misuse or take advantage of) and the suffix "-able" (meaning capable of). The word "abusable" means capable of being misused or taken advantage of.
Think of something that can be 'misused' ('abuse') — and the '-able' means it can be done. So, abusable refers to something that can be misused.