1. lacking consciousness, awareness, or the ability to perceive or feel
Usage: formal

Examples

• The philosopher argued that rocks and other insentient objects cannot experience pain.
• Unlike animals, plants are generally considered insentient beings.
• The patient remained insentient throughout the procedure.
• Many people believe that machines, no matter how advanced, remain fundamentally insentient.
• The debate centered on whether certain organisms are sentient or insentient.
• Ancient cultures often attributed consciousness to what we now consider insentient matter.