45 entries under obtuse topic. ×

2
ill-advised(adjective, careless, stupid, unthinking)
2
ill-considered(adjective, careless, stupid, unthinking)
2
inadvertent(adjective, careless, indifferent, foolish, stupid)
2
neglectful(adjective, careless, indifferent, apathetic, unconcerned)
2
reckless(adjective, unperceptive, unobservant)
2
regardless(adjective, careless, indifferent, foolish, stupid)
2
unobservant(adjective, careless, indifferent, foolish, stupid)
1
absent-minded(adjective, careless, foolish, stupid, senseless)
1
confused(adjective, careless, stupid, unthinking)
1
doltish(adjective, careless, stupid, unthinking)
1
dull(adjective, careless, stupid, unthinking)
1
empty-headed(adjective, careless, stupid, unthinking)
1
flighty(adjective, careless, stupid, unthinking)
1
incomprehensible(adjective, careless, stupid, unthinking)
1
inept(adjective, careless, stupid, unthinking)
1
irreflective(adjective, careless, stupid, unthinking)
1
lamebrained(adjective, careless, stupid, unthinking)
1
loony(adjective, careless, stupid, unthinking)
1
negligent(adjective, careless, indifferent, apathetic, unconcerned)
1
remiss(adjective, careless, indifferent, foolish, stupid)
11 years ago|6.5k views|share |citing 
APASmart Define. (2015). undiscerning thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/undiscerning/thesaurus/synonyms
ChicagoSmart Define. 2015. "undiscerning thesaurus" https://smartdefine.org/undiscerning/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, undiscerning thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/undiscerning/thesaurus/synonyms>.
MLASmart Define. "undiscerning thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/undiscerning/thesaurus/synonyms>