Synonyms for insubstantial

Similarity of adj insubstantial

2 senses of insubstantial

Sense 1:

insubstantial (vs. substantial), unsubstantial, unreal
aeriform, aerial, airy, aery, etherealshadowy, wraithlikestringy

Also See: immaterial#3, nonmaterial#1

Sense 2:

insubstantial, jejune
unwholesome (vs. wholesome)