12
tardy(adjective, late, punctual)
10
late(adjective, time, old)
9
slow
8
dilatory
6
dragging
5
laggard
3
lazy
3
non-punctual
3
unpunctual
2
belated
2
delayed
2
lagging
2
leisurely
2
negligent
2
overdue
2
prevent
2
sluggish
2
unready
1
halt(noun, verb)
1
arrest
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APASmart Define. (2016). prompt thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/prompt/thesaurus/antonyms
ChicagoSmart Define. 2016. "prompt thesaurus" https://smartdefine.org/prompt/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, prompt thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/prompt/thesaurus/antonyms>.
MLASmart Define. "prompt thesaurus" 1 April 2016. Web. 23 September 2026. <https://smartdefine.org/prompt/thesaurus/antonyms>