Synonyms|345Antonyms|89|Broader|6Narrower|14Related|509

45 entries under happy-go-lucky topic. ×

21
reckless(adjective, neglect, careless, foolish, cheerful)
20
wasteful(adjective, careless, casual, extravagant, thoughtless)
17
imprudent(noun, adjective, neglect, careless, foolish)
16
thoughtless(adjective, careless, foolish, casual, bold)
15
careless(adjective, foolish, casual, bold, extravagant)
15
heedless(adjective, careless, foolish, cheerful, casual)
8
indiscreet(adjective, careless, foolish, casual, bold)
8
injudicious(adjective, careless, foolish, casual, bold)
7
hasty(adjective, careless, foolish, careful, casual)
7
unthinking(adjective, careless, foolish, casual, bold)
6
negligent(adjective, careless, casual, bold, thoughtless)
5
inconsiderate(adjective, careless, foolish, casual, bold)
5
unmindful(adjective, careless, casual, bold, thoughtless)
4
slapdash(adjective, careless, careful, casual, rash)
3
mindless(adjective, casual, slapdash)
3
unguarded(adjective, careless, casual, bold, thoughtless)
2
indifferent(neglect, casual, slapdash)
2
irresponsible(adjective, careless, foolish, casual, thoughtless)
1
casual
1
lackadaisical(casual, slapdash)
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ChicagoSmart Define. 2015. "improvident thesaurus" https://smartdefine.org/improvident/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, improvident thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/improvident/thesaurus/synonyms>.
MLASmart Define. "improvident thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/improvident/thesaurus/synonyms>