English edit

Etymology edit

Probably from Middle French insubstantiel, from Latin insubstantiālis, from in- + substantiālis.

Adjective edit

insubstantial (comparative more insubstantial, superlative most insubstantial)

  1. Lacking substance; not real or strong.
    The bridge was insubstantial and would not safely carry a car.

Synonyms edit

Antonyms edit

Translations edit