Great energy, drive, force, or power; vigour of body, mind or personality; oomph or pizzazz
Dynamic reality; active energy; continuous change, progress, or activity.
Any of several philosophical theories that attempt to explain the universe by an immanent force.
Enthusiasm; keen enjoyment; relish; gusto.
The outer skin of a citrus fruit, used as a flavouring or garnish.
General vibrance of flavour.
The woody, thick skin enclosing the kernel of a walnut.
To scrape the zest from a fruit.
To make more zesty.