62 entries under noun topic. ×

1
hitch(block, hinder, defect)
1
holdup(block, hinder, defect)
1
interruption(block, hinder, defect)
1
lump(block, hinder, defect)
1
membrane(block, hinder, defect)
1
morass(block, hinder, defect)
1
nuisance(block, hinder, defect)
1
objection(block, hinder, defect)
1
pad(block, hinder, defect)
1
railing(block, hinder, defect)
1
resistance(block, hinder, defect)
1
restraint(block, hinder, defect)
1
restriction(block, hinder, defect)
1
retardation(block, hinder, defect)
1
roadblock(block, hinder, defect)
1
setback(block, hinder, defect)
1
shyness(block, hinder, defect)
1
stoppage(block, hinder, defect)
1
waste catalyst(block, hinder, anticatalyst)
0
embarrassment(hinder, impede, interrupt)
11 years ago|4.6k views|share |citing 
APASmart Define. (2015). catalyst thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/catalyst/thesaurus/antonyms
ChicagoSmart Define. 2015. "catalyst thesaurus" https://smartdefine.org/catalyst/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2015, catalyst thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/catalyst/thesaurus/antonyms>.
MLASmart Define. "catalyst thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/catalyst/thesaurus/antonyms>