substantial vs insubstantial

substantial and insubstantial both are adjectives.

Word	Noun	Adjective	Verb	Adverb
substantial	No	Yes	No	No
insubstantial	No	Yes	No	No

substantial (adjective)	insubstantial (adjective)
having substance or capable of being treated as fact; not imaginary	lacking material form or substance; unreal
of considerable importance, size, or worth	lacking in nutritive value
of or relating to the real nature or essential elements of something	lacking solidity or strength
having an abundant supply of money or possessions of value
of good quality and condition; solidly built
providing abundant nourishment