Prolonged
Prolonged adjective - Relatively long in duration; tediously protracted.
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Synonyms for Prolonged
Vast and prolonged are semantically related In some cases you can use "Vast" instead an adjective "Prolonged".
Nearby Words: prolongation, prolonging
Vast
Vast adjective - Unusually large.
Prolonged and vast are semantically related in very large topic. Sometimes you can use "Prolonged" instead an adjective "Vast".
Mutual synonyms
Cite this Source
Vast and Prolonged. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/prolonged/vast
Prolonged & Vast. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/prolonged/vast>.
Vast or Prolonged. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/prolonged/vast.
Google Ngram Viewer shows how "prolonged" and "vast" have occurred on timeline