5
grimly
3
ungratefully
1
atrociously
1
carelessly
1
demandingly
1
distastefully
1
dourly
1
embarrassedly
1
excessively
1
forgetfully
1
grievously
1
grumblingly
1
harshly
1
jarringly
1
maddeningly
1
nastily
1
thanklessly(adverb, thankfully)
1
unappreciatively
0
peevishly
0
roughly
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APASmart Define. (2016). gratefully thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/gratefully/thesaurus/antonyms
ChicagoSmart Define. 2016. "gratefully thesaurus" https://smartdefine.org/gratefully/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2016, gratefully thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/gratefully/thesaurus/antonyms>.
MLASmart Define. "gratefully thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/gratefully/thesaurus/antonyms>