idiom - definition and synonyms

 
noun 

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/ˈɪdiəm/
singularidiom
pluralidioms
  1. 1
    [countable] linguistics an expression whose meaning is different from the meaning of the individual words. For example, ‘to have your feet on the ground’ is an idiom meaning ‘to be sensible’.
  2. 2
    [singular/uncountable] a particular style in language, art, or music

    Osborne always works within a modern idiom.