1 C1 formal
To add an outer covering, casing, or insulated jacket to a cable, pipe, or similar object.
"The manufacturer jacketed up the wire to improve weather resistance."
separable
jacket up
C1 formal separable transitive
To cover or fit something with an outer jacket or protective layer.
In plain English
put a cover layer around something
What does "jacket up" mean?
One main meaning — here's how to use it.
Literal vs figurative
Words literally mean
To put a jacket on something.
Actually means
put a cover layer around something
Usage tip
Rare and technical; used in engineering, manufacturing, and materials contexts rather than everyday English.
Words that pair with "jacket up"
Natural word combinations native speakers use most often.
cable pipe wire insulation conductor tube
How to conjugate "jacket up"
The five tense forms you'll use most often.
Base
jacket up
I/you/we/they
3rd person
jackets up
he/she/it
Past simple
jacketed up
yesterday
Past participle
jacketed up
have + pp
-ing form
jacketing up
continuous
Hear "jacket up" in the wild
Listen to native speakers using "jacket up" in real YouTube videos — click a clip to watch it on Looplines.
Other ways to say "jacket up"
Swap in when you want variety — tap a linked one to explore it.
coat cover encase insulate sheathe
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