70 entries under adjective topic. ×

4
considerate(mean, hard, inconsiderate)
4
discreet(sensible, stupid, cautious)
4
provident(careful, frugal, improvident)
4
thorough
4
wary(certain, careful, cautious)
4
watchful
3
chronological
3
heedful
3
punctilious(careful, finicky)
3
responsible
2
canny(open, honest)
2
detail oriented(uncaring, inexact, madcap, absent-minded)
2
economical(careful, conservative, inefficient)
2
ready(attentive, responsible)
2
rigorous
2
shrewd
1
anxious
1
blue(feeling, happiness)
1
cagey
1
caring
10 years ago|5.4k views|share |citing 
APASmart Define. (2016). careless thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/careless/thesaurus/antonyms
ChicagoSmart Define. 2016. "careless thesaurus" https://smartdefine.org/careless/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2016, careless thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/careless/thesaurus/antonyms>.
MLASmart Define. "careless thesaurus" 3 March 2016. Web. 27 September 2026. <https://smartdefine.org/careless/thesaurus/antonyms>