Substantial
Substantial adjective - Having great meaning or lasting effect.
Usage example: substantial changes to the school dress code that made a lot of people unhappy
Valuable is a synonym for substantial in important topic. In some cases you can use "Valuable" instead an adjective "Substantial", when it comes to topics like considerable.
Valuable
Valuable adjective - Commanding a large price.
Substantial is a synonym for valuable in important topic. Sometimes you can use "Substantial" instead an adjective "Valuable".
Mutual synonyms
Both words in one sentence
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It gets worse in that any time you're asked to give away a substantial amount (for "charity" or otherwise), you'll typically end up with a more valuable reward.
Source: Screw the Money, I Have Rules!
Cite this Source
Valuable and Substantial. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/substantial/valuable
Substantial & Valuable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/substantial/valuable>.
Valuable or Substantial. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/substantial/valuable.
Google Ngram Viewer shows how "substantial" and "valuable" have occurred on timeline