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"wickedness" is also used as a crossword clue. If that's what you saw, the answer is often immorality (10 letters).
Definitions
morally objectionable behavior
Word origin
Inherited from Middle English wikkednesse, wikkednes, equivalent to wicked + -ness.
Used in a sentence
“So, if a Sonne that is by his Father ſent about Merchandize, doe ſinfully miſcarry vpon the Sea; the imputation of his vvickedneſſe, by your rule, ſhould be impoſed vpon his Father that ſent him: […]”
“We speak of wickedness as something in the soul different from virtue.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Evil conduct”10 letters
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