15
solemn(adjective, dull, quiet, severe, honest)
15
telling(adjective, clear, strong, great, sound)
14
considerable(adjective, importance, big, heavy, important)
14
critical(adjective, hard, hurt, great, tough)
14
forceful(adjective, clear, strong, sharp, violent)
13
crucial(adjective, great, tough, severe, big)
13
obese(adjective, solid, big, heavy, awkward)
13
onerous(adjective, difficult, harsh, heavy, demanding)
13
outstanding(adjective, importance, valuable, main, notable)
13
remarkable(adjective, importance, valuable, main, notable)
12
cogent(adjective, clear, strong, great, sound)
12
corpulent(adjective, solid, big, heavy, awkward)
12
cumbersome(adjective, severe, harsh, big, heavy)
12
fateful(adjective, importance, valuable, main, notable)
12
key(adjective, importance, important, valuable, main)
12
persuasive(adjective, good, clear, strong, great)
12
potent(adjective, good, clear, strong, great)
11
essential(adjective, importance, big, important, significant)
11
fat(adjective, solid, big, heavy, important)
11
notable(adjective, importance, main, extremely significant)
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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>