Definition

All of space, time, matter, and energy that exists; the totality of all galaxies, stars, and celestial bodies. In colloquial usage, one's personal world or social sphere.

Example Usage

The universe is constantly expanding; in her universe, nothing mattered more than her family.

Origin

From Latin 'universus' (turned into one, whole), combining 'unus' (one) and 'versus' (turned).

Fun Fact

The observable universe is about 93 billion light-years in diameter, but most cosmologists believe the true universe extends far beyond what we can see.

Source: Definition backfill (hailey)

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