12
roughly(adverb, badly, severely, vigorously, strictly)
11
severely(adverb, badly, severely, vigorously, strictly)
11
grimly(adverb, severely)
10
discordantly(adverb, roughly, bad behavior, negatively, bitterly)
9
sternly(adverb, badly, severely, strictly)
8
hard(adverb, badly, severely, firmly, hardly)
7
hardly(adverb, badly, severely, vigorously, strictly)
7
toughly(adverb, strictly, difficultly)
6
badly(adverb, severely, vigorously, extremely, hardly)
6
cruelly(adverb, strictly, sternly, unkindly, nastily)
6
disagreeably(adverb, bad behavior, negatively, in negative way)
6
gratingly(adverb, shrilly)
6
gruffly(adverb, severely, huskily)
6
sharply(adverb, severely, strictly, sternly, crudely)
6
strictly(adverb, severely, sternly)
5
mercilessly(adverb, unkindly, nastily, persistently, unremittingly)
5
oppressively(adverb, severely, difficultly, tyrannically)
5
raucously(adverb, roughly, loudly, shrilly, contentiously)
5
rigorously(adverb, severely)
5
stringently(adverb, severely)
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APASmart Define. (2016). harshly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/harshly/thesaurus/synonyms
ChicagoSmart Define. 2016. "harshly thesaurus" https://smartdefine.org/harshly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, harshly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/harshly/thesaurus/synonyms>.
MLASmart Define. "harshly thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/harshly/thesaurus/synonyms>