| 1. | weakened, diminished, or damaged: impaired hearing; to rebuild an impaired bridge. |
| 2. | functioning poorly or inadequately: Consumption of alcohol results in an impaired driver. |
| 3. | deficient or incompetent (usually prec. by an adverb or noun): morally impaired; sports-impaired. |
| 1. | to make or cause to become worse; diminish in ability, value, excellence, etc.; weaken or damage: to impair one's health; to impair negotiations. |
| 2. | to grow or become worse; lessen. |
| 3. | Archaic. impairment. |

impaired
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