1 C1 neutral
For a metal component to detach or break away from a surface because rust has corroded it
"The exhaust pipe had completely rusted off and was dragging along the road."
inseparable
rust off
C1 neutral inseparable intransitive
For a part or coating to detach from a surface because rust has corroded it
In plain English
When something falls off or breaks away because it has gone rusty
What does "rust off" mean?
One main meaning — here's how to use it.
Literal vs figurative
Words literally mean
To come off as a result of rusting — fully transparent
Actually means
When something falls off or breaks away because it has gone rusty
Usage tip
A fairly specific and literal phrasal verb. Common in contexts of old vehicles, machinery, or metal structures. Rarely used figuratively.
Words that pair with "rust off"
Natural word combinations native speakers use most often.
bolt hinge bracket exhaust panel screw
How to conjugate "rust off"
The five tense forms you'll use most often.
Base
rust off
I/you/we/they
3rd person
rusts off
he/she/it
Past simple
rusted off
yesterday
Past participle
rusted off
have + pp
-ing form
rusting off
continuous
Hear "rust off" in the wild
Listen to native speakers using "rust off" in real YouTube videos — click a clip to watch it on Looplines.
Keep exploring
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