Dead-end and Prolong

Opposite meaning words

Dead-end verb - To come to an end.

Usage example: after several fruitless years, the research seems to have simply dead-ended

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Prolong is an antonym for dead-end.

Prolong verb - To make longer.

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Dead-end is an antonym for prolong.

Nearby Words: prolongation, prolonging

Cite this Source

Prolong and Dead-end. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/dead-end/prolong

Dead-end & Prolong. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/dead-end/prolong>.

Prolong or Dead-end. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/dead-end/prolong.