16 entries under extremely topic. ×

7
sadly(adverb, severely, thoroughly, completely, seriously)
1
acutely(adverb, severely, thoroughly, completely, intensely)
1
affectingly(adverb, severely, thoroughly, completely, intensely)
1
completely(adverb, severely, thoroughly, intensely, sadly)
1
distressingly(adverb, severely, thoroughly, completely, intensely)
1
feelingly(adverb, severely, thoroughly, completely, intensely)
1
genuinely(adverb, severely, thoroughly, completely, intensely)
1
gravely(adverb, severely, thoroughly, completely, seriously)
1
intensely(adverb, severely, thoroughly, completely, sadly)
1
movingly(adverb, severely, thoroughly, completely, intensely)
1
passionately(adverb, severely, thoroughly, completely, intensely)
1
profoundly(adverb, severely, thoroughly, completely, intensely)
1
seriously(adverb, severely, thoroughly, completely, intensely)
1
severely(adverb, completely, intensely, sadly)
1
surely(adverb, severely, thoroughly, completely, intensely)
1
thoroughly(adverb, severely, completely, intensely, sadly)
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APASmart Define. (2015). mournfully thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/mournfully/thesaurus/synonyms
ChicagoSmart Define. 2015. "mournfully thesaurus" https://smartdefine.org/mournfully/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, mournfully thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/mournfully/thesaurus/synonyms>.
MLASmart Define. "mournfully thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/mournfully/thesaurus/synonyms>