67 entries under block topic. ×

10
prevention(noun, impede, inhibitor)
10
dead-catalyst(noun, hinder, anticatalyst)
6
blockage(noun, impede, inhibitor)
6
preventer(noun, impede, inhibitor, enzyme)
3
let go(verb, impede, mingle)
3
clog up(verb, phrasal verb, impede, mingle)
3
dampener(noun, hinder, defect)
3
dead catalyst(noun, expression, hinder, anticatalyst)
3
disincentive(noun, help, hinder, defect)
3
let down(verb, phrasal verb, impede, mingle)
3
let go of(verb, phrasal verb, impede, mingle)
3
let in(verb, phrasal verb, impede, mingle)
3
let up(verb, phrasal verb, impede, mingle)
2
hurdle(verb, impede, mingle)
2
infirmity(noun, hinder, defect)
2
spent catalyst(noun, hinder, anticatalyst)
1
balk(verb, impede, mingle)
1
assignation(noun, hinder, defect)
1
blocking agent(noun, expression, impede, inhibitor)
1
discouragement(noun, hinder, cheer, anticatalyst)
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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>