9 entries under light topic. ×

6
inconsequential
5
small
5
thin
5
trivial(adjective, important, substantial, serious)
5
unimportant
3
easy
3
facile
3
unsubstantial
2
solvable
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APASmart Define. (2015). weighty thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/weighty/thesaurus/antonyms
ChicagoSmart Define. 2015. "weighty thesaurus" https://smartdefine.org/weighty/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, weighty thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/weighty/thesaurus/antonyms>.
MLASmart Define. "weighty thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/weighty/thesaurus/antonyms>