The meaning of MUM is silent. How to use mum in a sentence.

mum noun [C] (FLOWER) short form of chrysanthemum (Definition of mum from the Cambridge Academic Content Dictionary © Cambridge University Press)

Mum is an adjective that means keeping quiet. It can also be used by itself to mean Be quiet! This sense of mum is especially used in the expressions keep mum and mum’s the word. In the U.K. and other …

Definition of mum noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

16 hours ago · The informal term “mum” is one of the most common words used in everyday English to address a parent. While the formal word “mother” has an ancient lineage, the history of its …

Jul 14, 2025 · This comprehensive glossary entry unravels the full meaning, definition, and etymology of "mum." Discover its various uses through examples, from informal address to botanical terms, for a …

Used as a command to stop speaking. Say nothing of the secret you know: Mum's the word on the surprise party. [Middle English mom, mum, perhaps imitative of closing one's lips.] 1. To act or play …

Silent; not speaking. Used as a command to stop speaking. To wear a mask or costume in fun; specif., to act as a mummer at Christmastime. To go merrymaking in a mask or disguise especially during a …

3 days ago · From Middle English mum or mom (“silent”), reminiscent of the sound made when gagged or with a hand over one's mouth. Perhaps related to dated German Mumme (“mask”).

He misses his mum. Mum and Dad are coming for lunch. Don't worry, Mum. You're about to become a mum.