"inhuman" in the adjective sense
1. cold, cold-blooded, inhuman, insensate
without compunction or human feeling
"in cold blood"
"cold-blooded killing"
"insensate destruction"
2. inhuman
belonging to or resembling something nonhuman
"something dark and inhuman in form"
"a babel of inhuman noises"
Source: WordNet® (An amazing lexical database of English)
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