Catalyst and Impediment

Opposite meaning words

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

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Impediment is an antonym for catalyst.

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

Impediment noun - Something that makes movement or progress difficult.

Usage example: tough going for the burros on the canyon trail, even without the added impediment of heavy loads

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Catalyst is an antonym for impediment.

Nearby Words: impede, impedimental

Cite this Source

Impediment and Catalyst. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/catalyst/impediment

Catalyst & Impediment. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/catalyst/impediment>.

Impediment or Catalyst. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/catalyst/impediment.

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