7
cheerfully
6
funnily
5
absurdly
4
frivolously
4
adoringly
3
aimlessly
3
balmy
3
baselessly
2
affectionate
2
amiable
2
approvingly
2
baroquely
2
blissfully
2
boisterously
2
breezily
2
brightly
2
brightness
2
brilliantly
1
advantageously
1
casually
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APASmart Define. (2015). gravely thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/gravely/thesaurus/antonyms
ChicagoSmart Define. 2015. "gravely thesaurus" https://smartdefine.org/gravely/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, gravely thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/gravely/thesaurus/antonyms>.
MLASmart Define. "gravely thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/gravely/thesaurus/antonyms>