Words / S / Business

sunset

verb/ˈsʌnsɛt/

B2CEFR level
45/100Rarity: uncommon
TechnicalRegister

To retire a product or system on a planned schedule, winding down support in an orderly way.

We sunset the legacy portal in the third quarter, so every integration has to migrate before then.

Similar: retire, decommission

Topic: Project management in Business English

Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.

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More business words: Project management