Definition

The most covered with rust, which is a reddish-brown substance that forms on metal when it is exposed to moisture and air.

Example

The old bike was the rustiest in the garage, with patches of rust all over it.

Comparatives & Superlatives

Conversation

I just found the rustiest bike in my garage.

Really? How long has it been sitting there?

I think it's been at least five years, maybe more.

Wow, you should clean it up and see if it still works!

Synonyms & Antonyms

Root Explanation

Rustiest → It is formed from "rust" (from Old English *rust*, meaning the reddish-brown coating that forms on iron) and "-iest" (a superlative suffix indicating the highest degree). The word "rustiest" means having the most rust or being the most affected by rust.

Memory Tip

Think of the reddish-brown coating on iron ('rust') and remember that 'rustiest' describes something that has the most of that coating.

Visually Confused Words