vi·tal·i·ty vīˈtalÉ™dÄ“/ noun 1) the state of being strong and active; energy. "changes that will give renewed vitality to our democracy" synonyms: liveliness, life, energy, spirit, vivacity, exuberance, buoyancy, bounce, elan, verve, vim, pep, brio, zest, sparkle, dynamism, passion, fire, vigor, drive, punch; get-up-and-go "the bright weather has revived my vitality" 2) the power giving continuance of life, present in all living things. "the vitality of seeds"