mum's the word

idiom
Updated on: 15 Nov 2017

Definition of mum's the word

informal
used to say that some information is being kept secret or should be kept secret
  • We want her birthday party to be a surprise, so mum's the word.

Word by Word Definitions

mum play
  1. : silent

  1. : to perform in a pantomime

  2. : to go about merrymaking in disguise during festivals

  1. : a strong ale or beer

  1. : chiefly British spelling of mom

  1. : chrysanthemum

word play
  1. : a speech sound or series of speech sounds that symbolizes and communicates a meaning usually without being divisible into smaller units capable of independent use

  2. : the entire set of linguistic forms produced by combining a single base with various inflectional elements without change in the part of speech elements

  3. : a written or printed character or combination of characters representing a spoken word

  1. : to express in words : phrase

  2. : speak


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