insubstantial

1. Lacking material form or substance;
   Unreal (synset 300628492)
   "as insubstantial as a dream"; "an insubstantial mirage on the horizon"
   also: immaterial, nonmaterial - not consisting of matter
   tells us about: solidness, substantiality, substantialness - the quality of being substantial or having substance
   similar to:

   • aerial, aeriform, aery, airy, ethereal - characterized by lightness and insubstantiality; as impalpable or intangible as air
   • shadowy, wraithlike - lacking in substance
   • hollow - lacking in substance or character
   • stringy - consisting of or containing string or strings
   same as: unreal, unsubstantial
2. Lacking in nutritive value (synset 302570464)
   "an insubstantial and unsatisfying meal"
   similar to: unwholesome - detrimental to physical or moral well-being
3. Lacking solidity or strength (synset 302333212)
   "a flimsy table"; "flimsy construction"; "vinyl siding has become the standard-bearer for cheap, insubstantial construction"
   similar to: weak - wanting in physical strength
   same as: flimsy

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