What are the opposite words for catalyst?

The term 'catalyst' refers to a substance that stimulates or increases the rate of a chemical reaction. Antonyms for the word 'catalyst' could include inhibitors which are substances that slow down or prevent a chemical reaction. Another antonym could be hindrance which means an obstacle or barrier that impedes progress or development. An opposite term could also be a deterrent which refers to something that discourages or prevents an action from occurring. Finally, the opposite of a catalyst could be a blockage which signifies a physical obstruction or barrier preventing action or movement. These antonyms express a sense of opposition or resistance, which is in contrast to the facilitating role of a catalyst.

Antonym of the day

most doordie
Antonyms:
few, little.