5 entries under extremely topic. ×

20
awfully(adverb, pretty, absolutely, very, really)
13
dreadfully(adverb, badly, greatness, very)
11
very(adverb, well, badly, really, completely)
7
really(adverb, well, very, positively)
4
excessively(adverb, pretty, absolutely, very, severely)
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APASmart Define. (2016). terribly thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/terribly/thesaurus/synonyms
ChicagoSmart Define. 2016. "terribly thesaurus" https://smartdefine.org/terribly/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, terribly thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/terribly/thesaurus/synonyms>.
MLASmart Define. "terribly thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/terribly/thesaurus/synonyms>