3
bigwig(noun, person, influence, importance)
3
bulky(adjective, characteristic, weight, heaviness)
3
burdensome(adjective, characteristic, weight, heaviness)
3
celebrity(noun, person, influence, importance)
3
chunky(adjective, characteristic, weight, heaviness)
3
colossus(noun, person, influence, importance)
3
corpulent(adjective, characteristic, weight, heaviness)
3
critical(adjective, characteristic, importance, significance)
3
crucial(adjective, characteristic, importance, significance)
3
cumbersome(adjective, characteristic, weight, heaviness)
3
fundamental(adjective, characteristic, importance, significance)
3
huge(adjective, characteristic, weight, heaviness)
3
large(adjective, characteristic, weight, heaviness)
3
luminary(noun, person, influence, importance)
3
matter of consequence(expression, characteristic, importance, significance)
3
momentous(adjective, characteristic, importance, significance)
3
nabob(noun, person, influence, importance)
3
personage(noun, person, influence, importance)
3
ponderous(adjective, characteristic, weight, heaviness)
3
titan(noun, person, influence, importance)
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APASmart Define. (2015). lightweight thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/lightweight/thesaurus/antonyms
ChicagoSmart Define. 2015. "lightweight thesaurus" https://smartdefine.org/lightweight/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, lightweight thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/lightweight/thesaurus/antonyms>.
MLASmart Define. "lightweight thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/lightweight/thesaurus/antonyms>