73 entries under noun topic. ×

16
unimportance(quality, foolishness, insignificance, frivolity)
15
characteristic(feature, trait, attribute)
14
silliness(quality, foolishness, frivolity, perkiness)
13
insignificance(quality, unimportance, subservience)
13
lightness(quality, weight, fineness)
12
attribute(feature, characteristic, trait)
12
feature(characteristic, trait, attribute)
12
foolishness(quality, frivolity, perkiness)
12
idiocy(quality, foolishness, frivolity, perkiness)
12
smallness(quality, unimportance, insignificance, subservience)
12
trait(feature, characteristic, attribute)
12
weight(quality, mass, heaviness)
11
inconsequentiality(quality, unimportance, foolishness, insignificance)
11
stupidity(quality, foolishness, frivolity, perkiness)
10
bulk(quality, mass, weight, heaviness)
10
heaviness(quality, mass, weight)
10
mass(quality, weight, heaviness)
10
weightiness(quality, mass, weight, heaviness)
9
frivolity(quality, foolishness, perkiness)
9
thinness(quality, weight, lightness, fineness)
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APASmart Define. (2015). lightweight thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/lightweight/thesaurus/broader
ChicagoSmart Define. 2015. "lightweight thesaurus" https://smartdefine.org/lightweight/thesaurus/broader (accessed September 26, 2026).
HarvardSmart Define 2015, lightweight thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/lightweight/thesaurus/broader>.
MLASmart Define. "lightweight thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/lightweight/thesaurus/broader>