98 entries under foolish topic. ×

10
unwary(adjective, careless, thoughtless, impulsive)
10
unwise(adjective, careless, silly, stupid)
10
extravagant(adjective, free, easy, careless, wild)
9
crazy(adjective, silly, stupid, mad)
8
silly(adjective, careless, stupid, crazy)
7
profligate(adjective, easy, careless, wild, loose)
6
giddy(adjective, easy, careless, wild, silly)
6
unconsidered(noun, adjective, careless, careful)
6
irrational(adjective, careless, wild, silly)
6
unruly(adjective, mean, careless, wild, determined)
5
flighty(adjective, careless, wild, stupid)
5
impolitic(adjective, rude, careless, thoughtless)
5
loose(adjective, careless, wild, casual)
4
harebrained(adjective, careless, wild, silly)
4
ill-judged(adjective, careless, bold, thoughtless)
4
risky(adjective, anxious, bold, worried)
4
unsound(rash, risky)
3
impracticable(adjective, crazy, irrational, outrageous)
3
inadvisable(adjective, rash, risky)
3
inexpedient(adjective, careless, thoughtless, rash)
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APASmart Define. (2015). reckless thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/reckless/thesaurus/synonyms
ChicagoSmart Define. 2015. "reckless thesaurus" https://smartdefine.org/reckless/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, reckless thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/reckless/thesaurus/synonyms>.
MLASmart Define. "reckless thesaurus" 3 August 2015. Web. 21 September 2026. <https://smartdefine.org/reckless/thesaurus/synonyms>