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"unevenness" is also used as a crossword clue. If that's what you saw, the answer is often imbalance (9 letters).
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U_________
Definitions
the quality of being unbalanced
Word origin
From Middle English unevennesse, equivalent to uneven + -ness.
Used in a sentence
“The unevenness of his voice betrayed his nervousness.”
“His chinne, a thorny hairy unevennesse, / Doth threaten, and some daily change possesse.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer0 curated clues
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