1
completely
1
confoundedly
1
contemptibly
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dangerously
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deathly
1
deeply
1
destructively(adverb, evilly)
1
detrimentally(adverb, evilly)
1
deucedly
1
dire
1
direfully
1
direr
1
disastrous
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disconcertingly
1
disgracefully(adverb, evilly)
1
disgustingly
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dismally
1
dismayingly
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distastefully
1
distressingly
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APASmart Define. (2016). terribly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/terribly/thesaurus/synonyms
ChicagoSmart Define. 2016. "terribly thesaurus" https://smartdefine.org/terribly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, terribly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/terribly/thesaurus/synonyms>.
MLASmart Define. "terribly thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/terribly/thesaurus/synonyms>