Corrosive (adjective)

1. Having the tendency to cause corrosion, or the eating away of metal or other materials by chemical action, especially by oxidation.
2. Having the tendency to weaken or impair the quality of something gradually, especially by undermining or eroding it.

Origin:

From the latin word corrosus, meaning "gnawed away" or "eroded".

Examples:

1. The acid was highly corrosive and could eat through metal quickly.
2. The corrosive effects of the salt water had damaged the metal on the boat.
3. The corrosive nature of the chemicals had caused the plastic pipes to deteriorate.
4. His corrosive criticism had eaten away at her confidence over time.
5. The corrosive environment had destroyed the metal structure.