5
slow
4
dilatory
4
unorganized
3
non-punctual
2
laggard
2
dawdling
2
inefficient
2
lagging
2
leisurely
2
sluggish
2
tardy
2
unhurried
1
crawling
1
creeping
1
dallying
1
dillydallying
1
dormant
1
dragging
1
dull
1
heavy
10 years ago|1.2k views|share |citing 
APASmart Define. (2016). expeditious thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/expeditious/thesaurus/antonyms
ChicagoSmart Define. 2016. "expeditious thesaurus" https://smartdefine.org/expeditious/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, expeditious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/expeditious/thesaurus/antonyms>.
MLASmart Define. "expeditious thesaurus" 1 April 2016. Web. 23 September 2026. <https://smartdefine.org/expeditious/thesaurus/antonyms>