54 entries under foolish topic. ×

5
unwise(adjective, careless, stupid, thoughtless)
4
ill-advised(adjective, careless, stupid, bold)
4
short-sighted(adjective, rash, risky, unthinking)
3
impolitic(adjective, careless, stupid, thoughtless)
3
unconsidered(adjective, careful, rash, irresponsible)
2
inadvisable(adjective, rash, risky)
2
inexpedient(adjective, careless, thoughtless, rash)
2
irresponsible(adjective, careless, casual, thoughtless)
2
silly(adjective, careless, rash, excessive)
1
inane(adjective, rash, risky)
1
leaving self wide open(expression, careless, thoughtless, rash)
1
off the deep end(expression, careless, thoughtless, rash)
1
overhasty(careless, thoughtless, rash, irresponsible)
1
playing with fire(expression, idiom, careless, bold)
1
unadvisable(careless, thoughtless, rash, irresponsible)
0
astigmatic(adjective, careless, stupid, thoughtless)
0
blind(adjective, careless, stupid, thoughtless)
0
childish(rash, risky)
0
immature(rash, risky)
0
imperceptive(adjective, careless, stupid, thoughtless)
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APASmart Define. (2015). improvident thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/improvident/thesaurus/synonyms
ChicagoSmart Define. 2015. "improvident thesaurus" https://smartdefine.org/improvident/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, improvident thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/improvident/thesaurus/synonyms>.
MLASmart Define. "improvident thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/improvident/thesaurus/synonyms>