in·sub·stan·tial ( n s b-st n shl)adj. 1. Lacking substance or reality. See Synonyms at immaterial. 2. a. Not firm or solid; flimsy. b. Delicate; fine. 3. Negligible in size or amount. in sub·stanti·ali·ty (-sh -l-t) n. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 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" |
| 2. | insubstantiality - lacking substance or reality incorporeality, immateriality - the quality of not being physical; not consisting of matter smoke - something with no concrete substance; "his dreams all turned to smoke"; "it was just smoke and mirrors" |
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