Antonyms of noun insubstantiality

1 of 2 senses of insubstantiality

Sense 2
insubstantiality -- (lacking substance or reality)
       Antonym of substantiality (Sense 1)
      => substantiality, substantialness, solidness -- (the quality of being substantial or having substance)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun insubstantiality

2 senses of insubstantiality

Sense 1
insubstantiality -- (lack of solid substance and strength)
       => weakness -- (the property of lacking physical or mental strength; liability to failure under pressure or stress or strain; "his weakness increased as he became older"; "the weakness of the span was overlooked until it collapsed")

Sense 2
insubstantiality -- (lacking substance or reality)
       => immateriality, incorporeality -- (the quality of not being physical; not consisting of matter)