Synonyms|540Antonyms|189|Broader|4Narrower|12Related|423
2
keenness
2
promptness
2
punctuality
2
work ethic
1
acceleration
1
adroitness
1
briskness
1
celerity(noun, swiftness)
1
discipline
1
eagerness
1
fleetness
1
general psychology
1
hustle
1
impetuosity(noun, indifference)
1
insight
1
interest(noun, feeling)
1
nimbleness
1
perception
1
perspicacity
1
promptitude
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APASmart Define. (2015). slowness thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/slowness/thesaurus/antonyms
ChicagoSmart Define. 2015. "slowness thesaurus" https://smartdefine.org/slowness/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, slowness thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/slowness/thesaurus/antonyms>.
MLASmart Define. "slowness thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/slowness/thesaurus/antonyms>