Substantial and Valid

Substantial adjective - Having great meaning or lasting effect.

Valid is a synonym for substantial in material topic. In some cases you can use "Valid" instead an adjective "Substantial".

Nearby Words: substance, substantiate, substantially, substantiality, substantiation

Valid adjective - According to the rules of logic.

Substantial is a synonym for valid in characteristic topic. Sometimes you can use "Substantial" instead an adjective "Valid", if it concerns topics such as right, cogent.

Nearby Words: validity, validation