Synonyms|528Antonyms|171|Broader|5Narrower|1Related|1.3k

52 entries under adjective topic. ×

5
heedless(careless, careful)
4
inattentive(attention, concerned, negligent)
3
careless
3
forgetful
3
mindless
2
casual
2
incautious
2
indifferent
2
lax
2
neglectful
2
negligent
2
reckless
2
regardless(indifferent, unconcerned)
2
remiss
2
thoughtless
2
unguarded
2
unmindful
2
unwary
1
apathetic
1
carefree
<123>
For more, visit Heedful on Power Thesaurus
11 years ago|1.7k views|share |citing 
APASmart Define. (2015). heedful thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/heedful/thesaurus/antonyms
ChicagoSmart Define. 2015. "heedful thesaurus" https://smartdefine.org/heedful/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, heedful thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/heedful/thesaurus/antonyms>.
MLASmart Define. "heedful thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/heedful/thesaurus/antonyms>