adj. Less than human; lacking characteristics of a human.
n. Anything which is less than human.
The Century Dictionary and Cyclopedia
Under or beneath the human; next below the human.
Nearly or somewhat human.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. less than human or not worthy of a human being
adj. unfit for human beings
Word Usage
"And, those conditions can only be described as subhuman - dangerously filthy, and without the most rudimentary sanitary facilities or basic medical care."