21 entries under careless topic. ×

3
observant(adjective, alert, watchful)
3
perceptive(adjective, alert, sensitive, insensitive)
2
cautious(adjective, careful, reckless, guarded)
1
mindful(adjective, quiet)
1
vigilant(adjective, indifferent)
0
be up on
0
ear to the ground(expression, idiom)
0
gnostic
0
heads up(expression, dull, indifferent)
0
insighted
0
know all the answers(expression, idiom, quiet)
0
know ins and outs(expression, idiom, quiet)
0
looking for(expression, indifferent)
0
observative
0
on the job(expression, idiom, dull, indifferent)
0
on the lookout(expression, idiom, dull, indifferent)
0
penetrative(clumsy, unperceptive)
0
plugged in
0
see to
0
sophic
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APASmart Define. (2015). unobservant thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unobservant/thesaurus/antonyms
ChicagoSmart Define. 2015. "unobservant thesaurus" https://smartdefine.org/unobservant/thesaurus/antonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unobservant thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unobservant/thesaurus/antonyms>.
MLASmart Define. "unobservant thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/unobservant/thesaurus/antonyms>