13
anticatalyst(noun, hinder, impede, interrupt)
10
prevention(noun, block, impede, inhibitor)
10
dead-catalyst(noun, block, hinder, anticatalyst)
9
obstruction(noun, hinder, impede, interrupt)
8
block(noun, hinder, impede, interrupt)
6
blockage(noun, block, impede, inhibitor)
6
obstacle(noun, hinder, impede, interrupt)
6
preventer(noun, block, impede, inhibitor, enzyme)
4
deterrent(noun, help, restraint, impediment)
4
interference(noun, hinder, impede, interrupt)
3
impediment(noun, hinder, impede, interrupt)
3
let go(verb, block, impede, mingle)
3
clog up(verb, phrasal verb, block, impede, mingle)
3
dampener(noun, block, hinder, defect)
3
dead catalyst(noun, expression, block, hinder, anticatalyst)
3
disincentive(noun, help, block, hinder, defect)
3
let down(verb, phrasal verb, block, impede, mingle)
3
let go of(verb, phrasal verb, block, impede, mingle)
3
let in(verb, phrasal verb, block, impede, mingle)
3
let up(verb, phrasal verb, block, impede, mingle)
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APASmart Define. (2015). catalyst thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/catalyst/thesaurus/antonyms
ChicagoSmart Define. 2015. "catalyst thesaurus" https://smartdefine.org/catalyst/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, catalyst thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/catalyst/thesaurus/antonyms>.
MLASmart Define. "catalyst thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/catalyst/thesaurus/antonyms>