Definitions For Rust


  • Any of various fungi causing rust disease in plants
  • The formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
  • A plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi
  • A red or brown oxide coating on iron or steel caused by the action of oxygen and moisture
  • A reddish substance that forms on iron or some other metal usually when it comes in contact with moisture or air
  • A disease that causes plants to develop reddish-brown spots
  • A reddish-brown color


  • Become coated with oxide
  • Become destroyed by water, air, or a corrosive such as an acid
  • Cause to deteriorate due to the action of water, air, or an acid
  • To form rust : to become rusty
  • To cause rust to form on (something)


  • Of the brown color of rust

Is Rust a Scrabble Word?

Words With Friends YES
Scrabble US YES
Scrabble UK YES
English International (SOWPODS) YES
Scrabble Global YES
Enable1 Dictionary YES

Points in Different Games

Words with Friends

The word Rust is worth 4 points in Scrabble and 5 points in Words with Friends

Examples of Rust in a Sentence

  • An old pump covered in rust
  • Your bicycle will rust if you leave it out in the rain.
  • The moist air rusted the latch on the door.
  • The old iron fence was rusted.

Synonyms for Rust

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