Free
Free adjective - Allowing passage without obstruction.
Usage example: make sure the pass is free before you attempt the trip through the mountains this winter
Obstructed is an antonym for free.
Obstructed
Obstructed adjective - Shut off to passage or view or hindered from action.
Both words in one sentence
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Also, the free states obstructed the return of fugitive slaves to their owners by measures like requiring that a jury find they were indeed fugitive slaves before returning them (some slave-catchers were known to misidentify free blacks).
Source: Artistic License History
Cite this Source
Obstructed and Free. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/free/obstructed
Free & Obstructed. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/free/obstructed>.
Obstructed or Free. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/free/obstructed.
Google Ngram Viewer shows how "free" and "obstructed" have occurred on timeline