Meaning & use
mum
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Meanings
nouncountableBritishinformal
A child's or grown-up's everyday word for their mother, used in British, Irish and Commonwealth English.
Grammar: Used like a name with no article when talking to her: Hi, Mum. Otherwise with my/your/the: my mum.
Patterns
- someone's mum
- Mum and Dad
My mum rings me every Sunday evening.
Can Jack's mum give us a lift to the match?
Mum, have you seen my keys?
adjectiveafter a verbinformalold-fashioned
Keeping quiet and unwilling to reveal something that is meant to be secret.
Grammar: Only used after a verb, mostly in the phrase keep mum: she kept mum.
Patterns
- keep mum about something
- mum's the word
The twins kept mum about the surprise party.
He stayed mum when the manager asked who had taken the cake.
Mum's the word until the announcement on Friday.
Word forms
| plural | mums |
|---|
Common combinations
- mum and dad
- Mum and dad are coming to watch my graduation.
- stay-at-home mum
- She was a stay-at-home mum until the youngest started school.
- single mum
- My neighbour is a single mum with three boys.
- keep mum
- Please keep mum about the trip until I tell them.
- mum's the word
- I will not tell anyone; mum's the word.
Synonyms and how they differ
- mother
- Mother is neutral and suits formal writing, while mum is warm and used in everyday speech.
- mummy
- Mummy is more childlike and used mainly by young children or in a tender way.
- mom
- Mom is the American spelling and form of the same everyday word.
- silent
- Silent is the general adjective, while mum is informal and means silent on purpose about a secret.
Word family
Commonly confused: mum or mom? mum or mummy?
mum vs mom
Mom is the American spelling, and mum is the British one. Both mean mother.
mum vs mummy
A mummy can also be a preserved ancient body, so mum is not a safe substitute for that meaning.
Practice
Which sentence uses mum correctly to mean saying nothing about a secret?
Choose one answer.
Mum works as an adjective after a verb such as stay or keep. The other options use it as a verb or before a noun, which is not possible.
Make it your own
Write a sentence using “mum”, then check it and compare it with the examples above.