Catalyst and Obstacle

Opposite meaning words

Catalyst noun - (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected.

Show all Definitions

Obstacle is an antonym for catalyst.

Nearby Words: catalyze, catalyse, catalyzer, catalytic, catalysed

Obstacle noun - Something that makes movement or progress difficult.

Usage example: stumbling on all the obstacles along the path

Show all Definitions

Catalyst is an antonym for obstacle.

Cite this Source

Obstacle and Catalyst. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/catalyst/obstacle

Catalyst & Obstacle. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/catalyst/obstacle>.

Obstacle or Catalyst. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/catalyst/obstacle.

Google Ngram Viewer shows how "catalyst" and "obstacle" have occurred on timeline