55 entries under adjective topic. ×

1
mindless
1
reckless
1
remiss
1
slack
1
slipshod
1
sloppy
1
slovenly
1
unconcerned
1
unguarded
1
unthorough
1
unwary
0
effete
0
feeble
0
flabby
0
flaccid
0
fluffy
0
forgetful
0
idle
0
inactive
0
inadvertent
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APASmart Define. (2016). painstaking thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/painstaking/thesaurus/antonyms
ChicagoSmart Define. 2016. "painstaking thesaurus" https://smartdefine.org/painstaking/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, painstaking thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/painstaking/thesaurus/antonyms>.
MLASmart Define. "painstaking thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/painstaking/thesaurus/antonyms>