Antonyms of adj unsubstantial

1 sense of unsubstantial

Sense 1
insubstantial (vs. substantial), unsubstantial, unreal -- (lacking material form or substance; unreal; "as insubstantial as a dream"; "an insubstantial mirage on the horizon")


Similarity of adj unsubstantial

1 sense of unsubstantial

Sense 1
insubstantial (vs. substantial), unsubstantial, unreal -- (lacking material form or substance; unreal; "as insubstantial as a dream"; "an insubstantial mirage on the horizon")
       => aeriform, aerial, airy, aery, ethereal -- (characterized by lightness and insubstantiality; as impalpable or intangible as air; "figures light and aeriform come unlooked for and melt away"- Thomas Carlyle; "aerial fancies"; "an airy apparition"; "physical rather than ethereal forms")
       => shadowy, wraithlike -- (lacking in substance; "strange fancies of unreal and shadowy worlds"- W.A.Butler; "dim shadowy forms"; "a wraithlike column of smoke")
       => stringy -- (consisting of or containing string or strings)
          Also See-> immaterial#3, nonmaterial#1

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