123 entries under heavy topic. ×

22
hard(adjective, difficult, complex)
22
trying(adjective, hard, difficult, complex)
21
arduous(adjective, hard, difficult, complex)
21
backbreaking(adjective, hard, difficult, complex)
21
big(adjective, good, solid, importance)
20
burly(adjective, hard, difficult, solid)
20
laborious(adjective, hard, difficult, complex)
20
rough(adjective, hard, difficult, complex)
17
earnest(adjective, dull, severe, honest, harsh)
17
material(adjective, good, appropriate, importance, big)
16
meaningful(adjective, good, clear, strong, great)
16
vital(adjective, great, severe, importance, big)
15
solemn(adjective, dull, quiet, severe, honest)
14
considerable(adjective, importance, big, important)
14
critical(adjective, hard, hurt, great, tough)
13
crucial(adjective, great, tough, severe, big)
13
obese(adjective, solid, big, awkward)
13
onerous(adjective, difficult, harsh, demanding)
12
corpulent(adjective, solid, big, awkward)
12
cumbersome(adjective, severe, harsh, big)
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APASmart Define. (2015). weighty thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/weighty/thesaurus/synonyms
ChicagoSmart Define. 2015. "weighty thesaurus" https://smartdefine.org/weighty/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, weighty thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/weighty/thesaurus/synonyms>.
MLASmart Define. "weighty thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/weighty/thesaurus/synonyms>