1 B1 informal
To put on a sweater or extra warm clothing, often in response to cold weather.
"You'd better sweater up before we head outside — it's below freezing."
inseparable
sweater up
B1 informal inseparable intransitive
An informal, playful phrase meaning to put on a sweater or warm clothing, often used as a light-hearted instruction.
In plain English
To put on a sweater because it's cold.
What does "sweater up" mean?
One main meaning — here's how to use it.
Literal vs figurative
Words literally mean
To put a sweater on, going 'up' — i.e., covering oneself upward with warm clothing.
Actually means
To put on a sweater because it's cold.
Usage tip
Not a widely established or standard phrasal verb; it is a playful, colloquial coinage modelled on 'bundle up' or 'layer up.' May be used humorously or in parenting contexts. Not typically found in formal dictionaries.
Words that pair with "sweater up"
Natural word combinations native speakers use most often.
cold winter chill outside weather
How to conjugate "sweater up"
The five tense forms you'll use most often.
Base
sweater up
I/you/we/they
3rd person
sweaters up
he/she/it
Past simple
sweatered up
yesterday
Past participle
sweatered up
have + pp
-ing form
sweatering up
continuous
Hear "sweater up" in the wild
Listen to native speakers using "sweater up" in real YouTube videos — click a clip to watch it on Looplines.
Other ways to say "sweater up"
Swap in when you want variety — tap a linked one to explore it.
Keep exploring
Jump to every phrasal verb built on the same verb, particle, or level.