8
half ass
8
careless
3
informal
3
non-punctual
3
sinful
2
apathetic
2
casual
2
comfortable
2
discourteous
2
easygoing
1
audacious
1
ballpark
1
belated
1
carefree
1
clumsy
1
derelict
1
disheveled
1
distort
1
hasty
1
imprecise
10 years ago|2.1k views|share |citing 
APASmart Define. (2016). punctilious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/punctilious/thesaurus/antonyms
ChicagoSmart Define. 2016. "punctilious thesaurus" https://smartdefine.org/punctilious/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, punctilious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/punctilious/thesaurus/antonyms>.
MLASmart Define. "punctilious thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/punctilious/thesaurus/antonyms>