The word "abessive" refers to the absence or lack of something. Synonyms for this term could include words such as "deficient," "devoid," "wanting," "lacking," or "empty." Depending on the context in which the word is being used, other synonyms for abessive could include "absent," "missing," "scant," "poor," "inadequate," "scarce," or "insufficient." Some additional words that could serve as synonyms for abessive might include "negligible," "bare," "meager," "sparse," or "minimal." Regardless of the specific synonyms used, each of these terms implies some type of absence or shortage that is being referenced or described within a particular context.