undeteriorated
adjEtymology From un- + deteriorated.
1
Not deteriorated.
- By this improvement the water flows with all its properties undeteriorated, retaining from source to outlet its original purity and strength.1872, R. F. Dearborn, Saratoga and How to See It:
- Everything was just as it had been left, the petrol-tank partly filled and apparently undeteriorated.1914-1917, Sir Ernest Shackleton, South!: