A very wide, open area of land, sea, sky, or something similar. It suggests a large, continuous stretch without many interruptions.
From Latin *expansus*, the past participle of *expandere* ‘to spread out’. It shifted from the idea of the action of spreading to the space that has been spread out.
An expanse doesn’t have to be physical—you can talk about an ‘expanse of silence’ or ‘an expanse of time’ and feel the same wide-open emptiness. The word quietly invites you to imagine standing in the middle of something huge and borderless.
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