1
attentively
1
charily
1
circumspectly
1
conscientiously
1
discreetly
1
heedfully
0
apocryphal
0
assiduously
0
astutely
0
austerely
0
broodingly
0
calculatingly
0
carefully
0
cautiously
0
closely
0
consciously
0
considerately
0
contemplatively
0
coyly
0
delayed(agilely, unpremeditatedly)
11 years ago|623 views|share |citing 
APASmart Define. (2015). heedlessly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/heedlessly/thesaurus/antonyms
ChicagoSmart Define. 2015. "heedlessly thesaurus" https://smartdefine.org/heedlessly/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, heedlessly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/heedlessly/thesaurus/antonyms>.
MLASmart Define. "heedlessly thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/heedlessly/thesaurus/antonyms>