5
delightfully
1
joyfully
-1
contentedly
-1
gladly
-1
impenitently
-1
painlessly
-1
stonily
-1
unapologetically
-1
unashamedly
-1
unremorsefully
-1
unrepentantly
-1
waywardly
-2
gleefully
-2
joyously
-2
jubilantly
-2
merrily
-2
obdurately
-2
obstinately
-2
shamelessly
-2
stubbornly
<12>
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APASmart Define. (2015). regretfully thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/regretfully/thesaurus/antonyms
ChicagoSmart Define. 2015. "regretfully thesaurus" https://smartdefine.org/regretfully/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, regretfully thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/regretfully/thesaurus/antonyms>.
MLASmart Define. "regretfully thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/regretfully/thesaurus/antonyms>