INSENSIBLE

adjective Etymology: Middle English, from Anglo-French & Latin; Anglo-French, from Latin insensibilis, from in- + sensibilis sensible Date: 14th century imperceptible , incapable or bereft of feeling or sensation: as, not endowed with life or spirit ; insentient , unconscious , lacking sensory perception or ability to react , 3. lacking emotional response ; apathetic , indifferent , unaware , stupid , senseless , not intelligible ; meaningless , lacking delicacy or refinement, insensibility noun ~ness noun insensibly adverb