rustless

rust +‎ -less

rustless (not comparable)

1. That does not rust; stainless.
   • 1936, Arthur Guiterman, First Dentistry was Painless:

     Now motor roads are dustless,
     The latest steel is rustless,
     Our tennis courts are sodless,
     Our new religions, godless.

2. Without rust; unrusted.
   • 1903, Proceedings of the American Society of Civil Engineers, Volume 29, Part 1:

     All this upper work, however, was rustless, and the paint in good condition. The lower and much rusted part of the column […]

• rustlessness

• tusslers