Synonyms of insubstantial


1. insubstantial (vs. substantial), unsubstantial, unreal, aeriform, aerial, airy, aery, ethereal, shadowy, wraithlike, stringy, immaterial#3, nonmaterial

usage: lacking material form or substance; unreal; "as insubstantial as a dream"; "an insubstantial mirage on the horizon"

2. insubstantial, jejune, unwholesome (vs. wholesome)

usage: lacking in nutritive value; "the jejune diets of the very poor"

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Definition and meaning of insubstantial (Dictionary)