142 entries under severe topic. ×

50
strong(adjective, feature, characteristic, person, body)
43
formidable(adjective, feature, characteristic, tough)
38
immense(adjective, feature, characteristic, person, body)
38
herculean(adjective, feature, characteristic, tough)
33
weighty(adjective, tough, difficult, harsh)
31
ponderous(adjective, dull, quiet, easy)
24
dull(adjective, upset, characteristic, quiet)
23
grievous(adjective, bad, tough, difficult)
21
oppressive(adjective, nature, dull, warm)
21
serious(adjective, strong, hard, great, tough)
21
burdensome(adjective, dull, tough, difficult)
20
grave(adjective, bad, difficult, sad)
17
leaden(adjective, dull, quiet, weak, easy)
17
important(adjective, great, tough, warm)
15
great(adjective, person, body, complete)
15
sad(adjective, dough, pastry, cake, dull)
14
profound(adjective, easy, obscure, difficult)
13
hard(adjective, person, dull, body, strong)
13
laborious(adjective, dull, hard, tough)
13
onerous(adjective, dull, tough, difficult)
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APASmart Define. (2016). heavy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/heavy/thesaurus/synonyms
ChicagoSmart Define. 2016. "heavy thesaurus" https://smartdefine.org/heavy/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, heavy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/heavy/thesaurus/synonyms>.
MLASmart Define. "heavy thesaurus" 25 January 2016. Web. 24 September 2026. <https://smartdefine.org/heavy/thesaurus/synonyms>