sub ‧ hu ‧ man /sʌbˈhjuːmən $ -ˈhjuː-, -ˈjuː-/ BrE AmE adjective
[ Word Family: noun : ↑ human , ↑ humanism , ↑ humanity ≠ ↑ inhumanity , ↑ humanitarian , ↑ humanitarianism , ↑ humankind , ↑ humanoid ; adjective : ↑ human ≠ ↑ inhuman , ↑ superhuman , ↑ subhuman , ↑ humane ≠ ↑ inhumane , ↑ humanitarian , ↑ humanoid ; adverb : ↑ humanly ≠ ↑ inhumanly , ↑ humanely ≠ ↑ inhumanely ; verb : ↑ humanize ]
1 . not having all the qualities a normal human being has:
The enemy was regarded as subhuman.
2 . subhuman conditions are very bad or cruel ⇨ inhuman :
The refugees were living a subhuman existence.