The quality or state of being vital; the principle of life; vital force; animation; as, the vitality of eggs or vegetable seeds; the vitality of an enterprise.
- The capacity to live, grow, or develop: plants that lost their vitality when badly pruned.
- Physical or intellectual vigor; energy. See Synonyms at vigor.
- The characteristic, principle, or force that distinguishes living things from nonliving things.
- Power to survive: the vitality of an old tradition.