1. devoid of feeling and consciousness and animation - insentient (or insensate) stone • Syn: insentient • Ant: sentient (for: insentient) • Similar to: unfeeling • Derivationally related forms: insentience (for: insentient) • Attrubites: sentience 2. without compunction or human feeling - in cold blood - cold-blooded killing - insensate destruction • Syn: cold, cold-blooded, inhuman • Similar to: inhumane • Derivationally related forms: inhumanity (for: inhuman)