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Synonyms

prolongate

American  
[pruh-lawng-geyt, -long-] / prəˈlɔŋ geɪt, -ˈlɒŋ- /

verb (used with object)

prolongated, prolongating
  1. to prolong.


Etymology

Origin of prolongate

1590–1600; < Late Latin prōlongātus, past participle of prōlongāre to prolong; -ate 1