Synonyms for Rusty:

adj.

corroded (adjective)
rusted.
disused (adjective)
forsaken, unused, abandoned, disused, relinquished, Refused, rejected, deserted, obsolete.

n.

avocado, baby blue, black, amber, beige, bluish, blue, azure, alabaster, amethyst. incapable, someone couldn't do something if they tried, inexpert, awful, inept, poor, no-good, incompetent, amateur, helpless. furry, gold-plated, grass, foamy, gilt, gift-wrapped, Cobbled, gilded, armor-plated, frothy. decayed (noun)
neglected, worn, crumbly, rotten.
rusty (noun)
old, rusted, out of practice, rust, unskilled, chromatic, hoary.

Other synonyms:

adj.
hoary, old.

Usage examples for rusty

  1. May I take Rusty along with me? – The Exploits of Elaine by Arthur B. Reeve
  2. We will be grateful for even a single rusty plow. – The Pirates of Ersatz by Murray Leinster