We don't have synonyms for antihuman yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are anti-human, antiman and antiwoman.
(n) :
A being that opposes, or typifies the opposite of, the human race.
(adj) :
(immunology, not comparable) Describing an antibody that reacts with any antigen found in (and with some relevant degree of specificity to) humans.
(n) :
A being that opposes, or typifies the opposite of, the human race.
(adj) :
(immunology, not comparable) Describing an antibody that reacts with any antigen found in (and with some relevant degree of specificity to) humans.