sunset.
The moment each evening when the sun disappears below the western horizon.
Meaning & usage
The moment each evening when the sun disappears below the western horizon.
at sunset
The changes in color of the sky before and after sunset.
The final period of the life of a person or thing.
one's sunset years
A set termination date.
The tax increase legislation included a sunset clause requiring renewal to prevent the tax increase from expiring.
The region where the sun sets; the west.
Where this word comes from
From Middle English son-sett, Sonne set, equivalent to sun + set. In Gower's Confessio Amantis, before 1393.
To phase out.
We’ll be sunsetting version 1.9 of the software shortly after releasing version 2.0 next quarter.
Where this word comes from
From Middle English son-sett, Sonne set, equivalent to sun + set. In Gower's Confessio Amantis, before 1393.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.