from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Below the human race in evolutionary development.
- adj. Regarded as not being fully human.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Less than human; lacking characteristics of a human.
- n. Anything which is less than human.
from The Century Dictionary and Cyclopedia
- Under or beneath the human; next below the human.
- Nearly or somewhat human.
from 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
sub- + human (Wiktionary)