19
unfortunately(adverb, happy, misfortune, happily)
7
unluckily
4
unhappily(adverb, regrettably)
2
alas
1
disappointingly
1
adversely
1
annoyingly
1
appallingly
1
badly
1
balefully
1
calamitously
1
cataclysmically
1
disastrously
1
fatefully
1
haplessly
1
illy
1
inauspiciously
1
inopportunely
1
regrettably
1
sinisterly
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APASmart Define. (2015). luckily thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/luckily/thesaurus/antonyms
ChicagoSmart Define. 2015. "luckily thesaurus" https://smartdefine.org/luckily/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, luckily thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/luckily/thesaurus/antonyms>.
MLASmart Define. "luckily thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/luckily/thesaurus/antonyms>