Also means
lasting twenty years
Usage Note
Ventennale means relating to or lasting twenty years: un contratto ventennale (a twenty-year contract). It can also function as a noun meaning a twentieth anniversary. It does not change for gender but has a plural ventennali.
Examples
"Hanno firmato un accordo ventennale con il governo."
Natural Translation
They signed a twenty-year agreement with the government.
Related Words
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