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"addiction" is also used as a crossword clue. If that's what you saw, the answer is often dependence (10 letters).
Definitions
A compulsive dependence on a substance, behavior, or activity.
Word origin
From addict + -ion; compare (Latin) addictio (“an adjudging, an award”).
Used in a sentence
“Do your lethal addictions to self-prescriptions numb the ache of the darkest days?”
“His addiction was to courses vain.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Compulsive dependence”9 letters
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