Broad
Broad adjective - Relating to the main elements and not to specific details.
Usage example: a broad overview of the topic
Vast is a synonym for broad in large topic. In some cases you can use "Vast" instead the word "Broad" as an adjective or a noun, when it comes to topics like size, big, extensive, wide physically. popular alternative
Mutual synonyms
Both words in one sentence
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The vast majority of the plot seen in trailers and preview footage of BioShock Infinite did not make it into the actual game beyond the broad thematic strokes of the world.
Source: Missing Trailer Scene - The problem is that the vast majority of terms in the equation are probabilities which require broad speculation.
Source: Million-to-One Chance
Cite this Source
Vast and Broad. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/broad/vast
Broad & Vast. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/broad/vast>.
Vast or Broad. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/broad/vast.
Google Ngram Viewer shows how "broad" and "vast" have occurred on timeline