59 entries under thoughtless topic. ×

5
inconsiderate(adjective, careless, foolish, casual, bold)
5
neglectful(adjective, careless, bold, extravagant)
5
unmindful(adjective, careless, casual, bold)
5
unwise(adjective, careless, foolish, stupid)
4
ill-advised(adjective, careless, foolish, stupid, bold)
4
madcap(adjective, careless, careful, bold)
3
foolish(adjective, careless, stupid, impulsive)
3
impolitic(adjective, careless, foolish, stupid)
3
unguarded(adjective, careless, casual, bold)
2
bold(adjective, careless, rash, wary)
2
hotheaded(adjective, careless, wild, careful, bold)
2
inexpedient(adjective, careless, foolish, rash)
2
irresponsible(adjective, careless, foolish, casual)
2
precipitate(adjective, careless, careful, bold)
1
any old way(expression, idiom, careless, bold)
1
caught napping(expression, idiom, careless, bold)
1
devil-may-care(careless, bold, rash, wary)
1
fast-and-loose(adjective, careless, bold, impulsive)
1
foot-in-mouth(adjective, careless, bold, impulsive)
1
leaving self wide open(expression, careless, foolish, rash)
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APASmart Define. (2015). improvident thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/improvident/thesaurus/synonyms
ChicagoSmart Define. 2015. "improvident thesaurus" https://smartdefine.org/improvident/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, improvident thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/improvident/thesaurus/synonyms>.
MLASmart Define. "improvident thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/improvident/thesaurus/synonyms>