87 entries under harsh topic. ×

6
wild(adjective, severe, intense, violent)
5
rigorous(adjective, severe, cruel, brutal)
5
rough(adjective, hard, severe, intense)
5
unpleasant(adjective, hard, tough, tender)
4
cutting(adjective, strong, great, sharp)
4
forceful(adjective, strong, severe, intense)
4
improper(adjective, hard, tough, rude)
4
nasty(adjective, hard, tough, rude)
4
powerful(adjective, strong, great, severe, sharp)
4
tough(adjective, hard, rude, cruel)
3
dear(adjective, extraordinary, cruel, unreasonable)
3
draconian
3
stringent(adjective, severe, cruel, brutal)
3
tempestuous(adjective, severe, intense, violent)
2
blustery(adjective, severe, intense, violent)
2
critical(adjective, sharp, tender, intense)
2
earnest(adjective, strong, keen, intense)
2
forcible(adjective, strong, severe, intense)
2
mighty(severe, high, excessive, huge)
2
raging(adjective, strong, severe, intense)
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APASmart Define. (2016). extreme thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/extreme/thesaurus/synonyms
ChicagoSmart Define. 2016. "extreme thesaurus" https://smartdefine.org/extreme/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, extreme thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/extreme/thesaurus/synonyms>.
MLASmart Define. "extreme thesaurus" 11 March 2016. Web. 26 September 2026. <https://smartdefine.org/extreme/thesaurus/synonyms>