prolongation

noun

plural -s
Synonyms of prolongationnext
1
a
: an extension or lengthening in time or duration
the indefinite prolongation of the Korean truce talksJoseph & Stewart Alsop
b
: the continuation or protraction of a spoken syllable or sound
the principle of prolongationH. W. Smyth
2
: an expansion or continuation in extent, scope, or range
a northwesterly prolongation into the plain of LancastriaL. D. Stamp
a prolongation of ourselvesTimes Literary Supplement
water and plants … became a part and prolongation of the structures conceived by the architectJosé Gómez-Sicre
treats literature … as a prolongation (of the past) rather than as an original creationWallace Fowlie

Word History

Etymology

Middle French, from Late Latin prolongation-, prolongatio, from prolongatus + Latin -ion-, -io -ion

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Cite this Entry

“Prolongation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prolongation. Accessed 21 Dec. 2025.

Kids Definition

prolongation

noun
pro·​lon·​ga·​tion
(ˌ)prō-ˌlȯŋ-ˈgā-shən
1
: a making longer
2
: something that prolongs or is prolonged

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