Synonyms|673Antonyms|38|Broader|9Narrower|3Related|235
5
slow down(activity, move, speed)
3
decelerate
2
slow
1
check
1
delay
1
drag out(verb, expression, extend, shorten)
1
hinder
1
impede
1
obstruct
1
retard
1
slow up
0
abomination
0
anathema
0
bête noire
0
brake
0
bugbear
0
clog
0
dawdle
0
deliberateness
0
deliberation
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APASmart Define. (2015). speed up thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/speed_up/thesaurus/antonyms
ChicagoSmart Define. 2015. "speed up thesaurus" https://smartdefine.org/speed_up/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, speed up thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/speed_up/thesaurus/antonyms>.
MLASmart Define. "speed up thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/speed_up/thesaurus/antonyms>