Synonyms: insensate, insentient
Definition: devoid of feeling and consciousness and animation
Usage: insentient (or insensate) stone
Synonyms: cold, cold-blooded, inhuman, insensate
Definition: without compunction or human feeling
Usage: in cold blood; cold-blooded killing; insensate destruction
Similar words: inhumane
Definition: lacking and reflecting lack of pity or compassion
Usage: humans are innately inhumane; this explains much of the misery and suffering in the world; biological weapons are considered too inhumane to be used