as in extension
the act of making longer
the indefinite prolongation of the ceasefire
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of prolongation
The prolongation was 242 days in 2023 and 346 days in 2024, according to the report.
—
Steve Sadin, Chicago Tribune, 17 Mar. 2026
Steve Sadin, Chicago Tribune, 17 Mar. 2026
Recent Examples of Synonyms for prolongation
extension
Noun
-
Matt Chapman signed his extension before Posey took over, but his first big move was bringing in free-agent shortstop Willy Adames.—
Ian Miller OutKick,
FOXNews.com,
18 June 2026
-
While there are lash-growth serums, lengthening mascaras, and even professional lash extensions, knowing when and how to use each of these methods is what will actually make a difference.—
Alanna Martine Kilkeary,
Glamour,
17 June 2026
Cite this Entry
“Prolongation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/prolongation. Accessed 20 Jun. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
