16 entries under frivolous topic. ×

23
lightweight(adjective, feature, characteristic, light, slight)
6
insubstantial(adjective, light, slight, easy, thin)
5
slight(adjective, light, easy, thin, delicate)
4
featherweight(adjective, light, slight, easy, thin)
4
frothy(adjective, light, slight, easy, thin)
4
imponderous(adjective, light, slight, easy, thin)
4
trivial(adjective, light, slight, easy, thin)
3
inconsequential(adjective, light, slight, easy, thin)
3
petty(adjective, light, slight, easy, thin)
3
trifling(adjective, light, slight, easy, thin)
0
failing(slight, trivial)
0
foolish(slight, trivial)
0
incompetent(slight, trivial)
0
of no account(expression, idiom, slight, trivial)
0
paltry(slight, trivial)
0
worthless(slight, trivial)
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APASmart Define. (2015). weightless thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/weightless/thesaurus/synonyms
ChicagoSmart Define. 2015. "weightless thesaurus" https://smartdefine.org/weightless/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, weightless thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/weightless/thesaurus/synonyms>.
MLASmart Define. "weightless thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/weightless/thesaurus/synonyms>