English dictionary



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English adjective: insubstantial

1. insubstantial lacking material form or substance; unreal


SamplesAs insubstantial as a dream.
An insubstantial mirage on the horizon.


Synonymsunreal, unsubstantial


Similaraerial, aeriform, aery, airy, ethereal, shadowy, stringy, wraithlike


See alsoimmaterial, nonmaterial


Attributesolidness, substantiality, substantialness


Antonymssubstantial, material, real

2. insubstantial lacking in nutritive value


SamplesThe jejune diets of the very poor.


Synonymsjejune


Similarunwholesome


Antonymswholesome









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