IPA: //ʌn.kənˈsjuːmd//
KK: /ʌnˈkɒnsjuːmd/
Not used or eaten; still remaining.
The unconsumed food was donated to a local shelter.
Unconsumed → It is formed from "un-" (meaning not) and "consumed" (from Latin "consumere", meaning to use up or waste). The word "unconsumed" means not used up or wasted.
Think of 'not' ('un-') having been 'used up' ('consumed') — that's why unconsumed means something that remains.