142 entries under severe topic. ×

7
close(adjective, set, strong, hard, tough)
7
effortful(adjective, tough, difficult, harsh)
7
excessive(adjective, harsh, big, awkward)
7
firm(noun, adjective, set, strong, hard)
7
harsh(adjective, strong, hard, tough)
7
intolerable(adjective, difficult)
7
momentous(adjective, great, tough, big)
7
rugged(adjective, calm, strong, hard, sound)
7
strenuous(adjective, dull, tough, rough)
7
violent(adjective, calm, rough, difficult)
7
wearisome(adjective, dull, tough, difficult)
6
crucial(adjective, great, tough, extraordinary)
6
painful(adjective, hard, tough, difficult)
6
somber(adjective, upset, dull, quiet)
6
stiff(adjective, set, hard, tough)
6
titanic(tough, painful, problematic, trying)
5
complex(adjective, difficult)
5
gargantuan(adjective, tough, large, grim)
5
significant(adjective, great, tough, big)
5
stormy(adjective, calm, difficult)
10 years ago|53k views|share |citing 
APASmart Define. (2016). heavy thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/heavy/thesaurus/synonyms
ChicagoSmart Define. 2016. "heavy thesaurus" https://smartdefine.org/heavy/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, heavy thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/heavy/thesaurus/synonyms>.
MLASmart Define. "heavy thesaurus" 25 January 2016. Web. 25 September 2026. <https://smartdefine.org/heavy/thesaurus/synonyms>