substantial

adjectives

fairly large

"won by a substantial margin"

significant, substantial

having a firm basis in reality and being therefore important, meaningful, or considerable

"substantial equivalents"

substantial, substantive

having substance or capable of being treated as fact; not imaginary

"the substantial world"; "a mere dream, neither substantial nor practical"; "most ponderous and substantial things"- Shakespeare

material, real, substantial

is derived from

is derived from

is derived from

antonym

providing abundant nourishment

"a hearty meal"; "good solid food"; "ate a substantial breakfast"; "four square meals a day"

hearty, satisfying, solid, square, substantial

is derived from

of good quality and condition; solidly built

"a solid foundation"; "several substantial timber buildings"

solid, strong, substantial

is derived from