1. not damaged, weakened, or diminished; remaining in perfect condition

Examples

• Despite the accident, her hearing remained unimpaired.
• The ancient manuscript was found in unimpaired condition.
• His mental faculties were completely unimpaired by age.
• The building’s structural integrity was unimpaired after the earthquake.
• She maintained unimpaired vision well into her eighties.
• The computer’s performance was unimpaired by the software update.