80 entries under careless topic. ×

2
languorous(adjective, dull, indifferent, idle)
2
lifeless(adjective, dull, indifferent, idle)
2
loafing(adjective, dull, indifferent, idle)
2
supine(adjective, dull, indifferent, idle)
1
asleep on the job(expression, idiom, dull, sluggish)
1
capricious(thoughtless, reckless, erratic, negligent)
1
dallying(adjective, dull, indifferent, idle)
1
drowsy(adjective, dull, indifferent, idle)
1
dull(adjective, indifferent, idle, weary)
1
feeble(weak, powerless, incapable, impotent)
1
fickle(thoughtless, reckless, erratic, negligent)
1
flagging(adjective, dull, indifferent, idle)
1
flighty(thoughtless, reckless, erratic, negligent)
1
fly-by-night(moving, idle, unsettled, thoughtless)
1
lagging(adjective, dull, indifferent, idle)
1
neglectful(adjective, dull, idle, sluggish)
1
out of it(expression, adjective, idiom, dull)
1
passive(adjective, dull, indifferent, idle)
1
procrastinating(adjective, dull, indifferent, idle)
1
reckless(weak, feeble, thoughtless, negligent)
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APASmart Define. (2015). shiftless thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/shiftless/thesaurus/synonyms
ChicagoSmart Define. 2015. "shiftless thesaurus" https://smartdefine.org/shiftless/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, shiftless thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/shiftless/thesaurus/synonyms>.
MLASmart Define. "shiftless thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/shiftless/thesaurus/synonyms>