Great
Great adjective - Coming before all others in importance.
Usage example: regards global warming as the great issue of the day
Important is a synonym for great in property topic. In some cases you can use "Important" instead an adjective "Great", when it comes to topics like prominent, distinguished, leading.
Important
Important adjective - Having great meaning or lasting effect.
Usage example: the discovery of penicillin was a very important event in the history of medicine
Great is a synonym for important in distinguished topic. You can use "Great" instead an adjective "Important", if it concerns topics such as valuable.
Mutual synonyms
Related pairs
Both words in one sentence
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Cust's mother named his son after two great conquerors, Alexander the Great and Napoleon Bonaporte, in hopes that he'd grow up to be someone important.
Source: Literature / The ABC Murders -
Off Model: Secondary and not important characters are drawn without too much effort, it's a great giveaway to show who's important and who isn't.
Source: Manga / Freesia - External Retcon: Turns out characters similar to certain Danville residents had important parts in the first great Rebel victory of the Galactic Civil War.
Cite this Source
Important and Great. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/great/important
Great & Important. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/great/important>.
Important or Great. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/great/important.
Google Ngram Viewer shows how "great" and "important" have occurred on timeline