ab·es·sive 
(ăb′ĕsĭv)
(ăb′ĕsĭv)adj.
Of, relating to, or being the grammatical case indicating absence, as Finnish puhumatta "without speaking."
n.
1. The abessive case.
2. A word in the abessive case.
[From Latin abesse, to be absent, away; see ABSENT.]