All-important and Substantial

All-important

All-important adjective - Impossible to do without.
Usage example: that all-important item for a successful birthday party: a fancily decorated cake with candles

Substantial and all-important are semantically related. In some cases you can use "Substantial" instead an adjective phrase "All-important".

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

All-important and substantial are semantically related. Sometimes you can use "All-important" instead an adjective "Substantial".

Cite this Source
Substantial and All-important. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/all-important/substantial
All-important & Substantial. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/all-important/substantial>.
Substantial or All-important. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/all-important/substantial.