Spacious
Spacious adjective - More than adequate or average in capacity.
Usage example: almost all of the guests were able to fit into the spacious living room
Vast is a synonym for spacious in extensive topic. In some cases you can use "Vast" instead an adjective "Spacious", when it comes to topics like roomy, quality.
Mutual synonyms
Both words in one sentence
-
In SLA Industries, the planet of Mort boasts a generously spacious sewer system, one vast enough to hide hordes of serial killer gangs and other monsters.
Source: Absurdly Spacious Sewer -
Absurdly Spacious Sewer - the Britain sewers are a vast, roomy maze.
Source: Video Game / Ultima Online
Cite this Source
Vast and Spacious. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/spacious/vast
Spacious & Vast. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/spacious/vast>.
Vast or Spacious. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/spacious/vast.
Google Ngram Viewer shows how "spacious" and "vast" have occurred on timeline