46 entries under casual topic. ×

18
improvident(adjective, careless, indifferent, thoughtless)
7
reckless(adjective, free, careless, indifferent, wild)
4
careless(adjective, extravagant, incompetent, lavish)
2
imprudent(adjective, careless, indifferent, thoughtless)
1
happy-go-lucky(adjective, slapdash)
1
heedless(free, careless, wild, reckless)
1
inconsiderate(careless, reckless, happy-go-lucky, slapdash)
1
irresponsible(adjective, careless, reckless, happy-go-lucky)
1
negligent(adjective, careless, reckless, happy-go-lucky)
1
slipshod(incompetent, happy-go-lucky, unproductive, slapdash)
1
thoughtless(careless, reckless, happy-go-lucky, slapdash)
0
absent-minded(happy-go-lucky, slapdash)
0
abstracted(happy-go-lucky, slapdash)
0
cursory(happy-go-lucky, slapdash)
0
disregardful(happy-go-lucky, slapdash)
0
forgetful(happy-go-lucky, slapdash)
0
hasty(happy-go-lucky, slapdash)
0
inaccurate(happy-go-lucky, slapdash)
0
inadvertent(happy-go-lucky, slapdash)
0
incautious(happy-go-lucky, slapdash)
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APASmart Define. (2016). wasteful thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/wasteful/thesaurus/synonyms
ChicagoSmart Define. 2016. "wasteful thesaurus" https://smartdefine.org/wasteful/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, wasteful thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/wasteful/thesaurus/synonyms>.
MLASmart Define. "wasteful thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/wasteful/thesaurus/synonyms>