muffle up
B2 informal separable both
In simple words
To cover yourself with warm clothes, especially a scarf around your face and neck, when it's cold.
Literal meaning: To muffle (deaden or cover) + up — the image is of smothering cold by wrapping up tightly.
Meanings
1 B2
idiomatic
informal
To dress warmly with extra layers, especially to protect the face and neck from cold.
"Make sure you muffle up before going out — it's freezing tonight."
Grammar: separable
Usage notes
Chiefly British English. Suggests wrapping up specifically to muffle the cold, with connotations of covering the ears, nose, and throat. Less common than 'wrap up' or 'bundle up' but understood by most British speakers.
Commonly used with
scarf coat cold winter children neck
Forms
Base
muffle up
I/you/we/they
3rd person
muffles up
he/she/it
Past simple
muffled up
yesterday
Past participle
muffled up
have + pp
-ing form
muffling up
continuous
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Synonyms
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