Rust
Last Updated: January 2, 2026 at 12:30 PM
Scrabble:4 ptsWWF:5 pts4 letters
Definition of Rust
Noun
- The deteriorated state of iron or steel as a result of moisture and oxidation; it consists mostly of iron(III) oxide (ferric oxide) and iron(II) oxide (ferrous oxide).
"The rust on my bicycle chain made cycling to work very dangerous."
- A similar substance based on another metal.
"copper rust"
- A reddish-brown color.
"rust:"
- A disease of plants caused by a reddish-brown fungus (Pucciniales).
- Damage caused to stamps and album pages by a fungal infection.
Verb
- To oxidize, especially of iron or steel.
"The patio furniture had rusted in the wind-driven spray."
- To cause to oxidize.
"The wind-driven spray had thoroughly rusted the patio furniture."
- To be affected with the parasitic fungus called rust.
- To (cause to) degenerate in idleness; to make or become dull or impaired by inaction.
- Of a black cat or its fur, to turn rust-coloured following long periods of exposure to sunlight.
"It's very common for black cats to rust during the summer."
Anagrams of Rust
Words You Can Make
3 words can be made from the letters in "rust":