substantial

Universal Words adjective 1 large in amount or value; important SYNCONSIDERABLE: substantial sums of money * a substantial change / improvement * Substantial numbers of people support the reforms. * He ate a substantial breakfast. * There are substantial differences between the two groups. * Their share of the software market is substantial. 2 [usuallybeforenoun] (formal) large and solid; strongly built: a substantial house * a street of substantial Victorian villas