1
blatantly
1
criminally
1
deadly
1
deathly
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dingily
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direly
1
dolefully
1
dolorously
1
excessively
1
excruciatingly
1
execrably
1
extravagantly
1
flagrantly
1
funereally
1
grievingly(adverb, regretfully)
1
heartbreakingly(adverb, cause great distress)
1
heartrendingly(adverb, cause great distress)
1
improperly
1
inexcusably
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inordinately
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APASmart Define. (2015). lamentably thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/lamentably/thesaurus/synonyms
ChicagoSmart Define. 2015. "lamentably thesaurus" https://smartdefine.org/lamentably/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, lamentably thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/lamentably/thesaurus/synonyms>.
MLASmart Define. "lamentably thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/lamentably/thesaurus/synonyms>