53 entries under severe topic. ×

47
grave(adjective, dull, hard, great, tough)
46
serious(adjective, good, dull, hard, great)
34
important(adjective, good, strong, great, tough)
33
significant(adjective, good, clear, strong, great)
32
momentous(adjective, good, clear, strong, tough)
31
grievous(adjective, hard, great, tough)
24
heavy(adjective, tough, difficult, harsh)
17
earnest(adjective, dull, honest, harsh)
16
meaningful(adjective, good, clear, strong, great)
16
vital(adjective, great, importance, big)
15
solemn(adjective, dull, quiet, honest)
14
critical(adjective, hard, hurt, great, tough)
13
crucial(adjective, great, tough, big)
12
cumbersome(adjective, harsh, big, heavy)
9
sober(adjective, dull, set, honest)
9
urgent(adjective, clear, hard, great, tough)
8
pressing(verb, adjective, hard, tough)
7
deep(adjective, tough, substantial, thoughtful)
7
major(adjective, great, tough, heavy)
7
sedate(adjective, dull, honest, dark)
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APASmart Define. (2015). weighty thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/weighty/thesaurus/synonyms
ChicagoSmart Define. 2015. "weighty thesaurus" https://smartdefine.org/weighty/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, weighty thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/weighty/thesaurus/synonyms>.
MLASmart Define. "weighty thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/weighty/thesaurus/synonyms>