mum

Adjective

• failing to speak or communicate etc when expected to
  • the witness remained silent
    

Noun

• secrecy
  • mum's the word
    

• informal terms for a mother

• of China

Related words

• Synonyms: 
  silent , ma , mama , mamma , mom , momma , mommy , mammy , mummy , florist's chrysanthemum , florists' chrysanthemum , Dendranthema grandifloruom , Chrysanthemum morifolium