corrosive

adj

1. Eating away; having the power of gradually wearing, hanging, or destroying the texture or substance of a body; as the corrosive action of an acid.
2. Having the quality of fretting or vexing.

   “Care is no cure, but corrosive.”

3. Destroying or undermining something gradually.

noun

1. That which has the quality of eating or wearing away gradually.
2. Any solid, liquid or gas capable of irreparably harming living tissues or damaging material on contact.