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"brevity" is also used as a crossword clue. If that's what you saw, the answer is often shortness (9 letters).
Definitions
the attribute of being brief or fleeting
Used in a sentence
“[B]revity is the soul of wit, And tediousness the limbs and outward flourishes[.]”
“A good technical writing style will now be defined as a style possessing clarity, brevity, and variety.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Shortness”7 letters
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