1. (n.) A piece of orange or lemon peel, or the aromatic oil which may be squeezed from such peel, used to give flavor to liquor, etc.

2. (n.) Hence, something that gives or enhances a pleasant taste, or the taste itself; an appetizer; also, keen enjoyment; relish; gusto.

3. (n.) The woody, thick skin inclosing the kernel of a walnut.

4. (v. t.) To cut into thin slips, as the peel of an orange, lemon, etc.; to squeeze, as peel, over the surface of anything.

5. (v. t.) To give a relish or flavor to; to heighten the taste or relish of; as, to zest wine.

activity alacrity amusement animal pleasure animal spirits animation anxiety anxiousness appetite ardor avidity avidness bite bliss bodily pleasure breathless impatience brio briskness capersomeness carnal delight cheerful readiness coltishness comfort content contentment coziness creature comforts delectation delight eagerness ease ecstasy edge elan elation endpleasure enjoyment entertainment enthusiasm esprit euphoria exuberance fervor flavor forepleasure forwardness friskiness frolicsomeness fruition fun gaiety gamesomeness gayness ginger glow gratification great satisfaction gust gusto guts heart heartiness hearty enjoyment hotness hunger impatience impetuosity impetus intellectual pleasure interest joie de vivre keen desire keen pleasure keenness kick kicks life liveliness lustiness luxury mettle nip nippiness palate passion pepper pepperiness perkiness pertness physical pleasure piquancy piss and vinegar playfulness pleasure promptness punch pungency quickness quiet pleasure raciness readiness relish robustness rollicksomeness rompishness satisfaction savor self-gratification self-indulgence sensual pleasure sensuous pleasure sexual pleasure skittishness snap snappiness spice spiciness spirit spiritedness spirits sportiveness sprightliness sweetness of life tang tanginess thirst titillation verve vigor vim vitality vivacity voluptuousness warmth well-being zeal zestfulness zing zip