Obstruct and Unblock

Opposite meaning words

Obstruct verb - To prevent passage through by filling with something.

Usage example: at the moment the city's only tunnel between downtown and the airport is obstructed by an overturned tanker truck

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Unblock is an antonym for obstruct in prevent topic.

Unblock verb - To rid the surface of (as an area) from things in the way.

Usage example: unblock the road so that the convoy can proceed

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Obstruct is an antonym for unblock.

Nearby Word: unblocking

Cite this Source

Unblock and Obstruct. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/obstruct/unblock

Obstruct & Unblock. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/obstruct/unblock>.

Unblock or Obstruct. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/obstruct/unblock.

Google Ngram Viewer shows how "obstruct" and "unblock" have occurred on timeline