Obstacle
Obstacle noun - Something that makes movement or progress difficult.
Mutual synonyms
How words are described
Both words in one sentence
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Caesar mentions a type of ground obstacle used by his army in the siege of Alesia.
Source: Cute as a Bouncing Betty
Cite this Source
Siege and Obstacle. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/obstacle/siege
Obstacle & Siege. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/obstacle/siege>.
Siege or Obstacle. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/obstacle/siege.
Google Ngram Viewer shows how "obstacle" and "siege" have occurred on timeline