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"impairment" is also used as a crossword clue. If that's what you saw, the answer is often disability (10 letters).
Definitions
the act of making something futile and useless (as by routine)
Word origin
From Middle English empeirement, empeyrement, emparement, from Anglo-Norman empairement, emperement, enpeirement, from Old French ampirement, anpirement, enperement, equivalent to impair + -ment.
Used in a sentence
“visual impairment”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Ability loss”10 letters
02“Reduced function”10 letters
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