insentient a devoid of feeling and consciousness and animation insentient (or insensate) stone Usage(s) There, with the ability to talk to the unresponsive living, his nerves "insentient now as string," he longs even for the pain of Hell. There, with the ability to talk to the unresponsive living, his nerves "insentient now as string," he longs even for the pain of Hell. Synonym(s) insensate Antonym(s) sentient