Synonyms|182Antonyms|128|Broader|6Narrower|5Related|376
4
infinity
3
bigness
3
importance
3
largeness
3
magnitude
3
significance
2
bulkiness
2
consequence
2
enormity
2
grandness
2
greatness
2
massiveness
2
moment
2
weightiness
1
ampleness
1
avoirdupois
1
dignity
1
extent
1
fatness
1
generosity
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APASmart Define. (2015). slightness thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/slightness/thesaurus/antonyms
ChicagoSmart Define. 2015. "slightness thesaurus" https://smartdefine.org/slightness/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, slightness thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/slightness/thesaurus/antonyms>.
MLASmart Define. "slightness thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/slightness/thesaurus/antonyms>