unimpaired
1. [ adjective ] not damaged or diminished in any respect
Examples:

"his speech remained unimpaired"

Related terms: impaired intact undamaged uninjured
Similar spelling:   unimproved
  unhampered
  unimpressed
  unimpeded
  unimpassioned
  unembarrassed
  unimprisoned
  unimpregnated
  unimposing
  unimportance