"mum" Definition

  1. “to keep MUM,” to hold one’s peace. Hence “MUM’S the word,”—a phrase which implies to all hearers that the matter to which it refers must remain secret.

More About mum

Position in the dictionary: 2272 of 4022 slang words.
Next words in the dictionary: mummer, mump, mumper, mumps, mundungus, mungarly, mungarly casa, munging, muns, murerk
Previous words in the dictionary: multee kertever, mullingar heifer, mulligrubs., mull, muggy, mugging, mug-up, mug, mufti, muffin-worry

The Slang Dictionary's Entry for mum

Read The Slang Dictionary's historical definition of the slang word "mum" on this page. Also learn other useful information about "mum", including the position in the dictionary and the next and previous terms to be discovered.