Destitute of life, or deprived of life; not containing, or inhabited by, living beings or vegetation; dead, or apparently dead; spiritless; powerless; dull; as, a lifeless carcass; lifeless matter; a lifeless desert; a lifeless wine; a lifeless story. -- Life"less*ly, adv. -- Life"less*ness, n. Syn. -- Dead; soulless; inanimate; torpid; inert; inactive; dull; heavy; una...