Simple Definition of zest
: lively excitement : a feeling of enjoyment and enthusiasm
: a lively quality that increases enjoyment, excitement, or energy
: small pieces of the skin of a lemon, orange, or lime that are used to flavor food
Full Definition of zest
Examples of zest
His humor added zest to the performance.
His humor added a certain zest to the performance.
The recipe calls for a tablespoon of lemon zest.
Origin of zest
obsolete French (now zeste), orange or lemon peel (used as flavoring)
First Known Use: circa 1674
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