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Definition of prolongation

prolongation

/ˌproʊlɔːŋˈɡeɪʃən/
pro · lon · ga · tion
Plural:prolongations
•
Adjective:prolonged
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prolongation Lexical Profile

prolongation Game Scores & Validity

• noun

1

The action of lengthening something in time or space, or the state of being extended.

Example

"The committee agreed to a three-month prolongation of the research contract."

2

In phonetics and speech pathology, the abnormal or deliberate lengthening of a speech sound or syllable.

Example

"Speech therapists often teach gentle sound prolongation techniques to help manage stuttering."

Synonyms
View all synonyms for prolongation
Antonyms
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• Rhymes for prolongation

• Nearby Words

prolocutrix
prologue
prolong
prolongation
prolonged
prolongedly
prom

Word Origin & Etymology

Borrowed in the late 14th century from Old French 'prolongation', from Late Latin 'prolongatio', a noun of action from 'prolongare' (to lengthen or extend), formed from 'pro-' (forth) and 'longus' (long).

Cite this Entry

Wordmom. (2026). Definition of Prolongation. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/prolongation
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