Definition of letter-perfect in US English:

adjective

• 1(of an actor or speaker) knowing by heart the words for one's part or speech.

  British term word-perfect

  Example sentences

  • ‘In Measure for Measure, a three-hour Shakespearean marathon, the actors were letter-perfect with their lines, as they certainly would not have been after a standard three weeks.’
  • ‘What helps the play enormously is the letter-perfect production.’

  1. 1.1 Accurate to the smallest verbal detail.
     ‘when he delivered a manuscript, it was letter-perfect’

     More example sentences

     • ‘Tom Wilkinson, sporting a letter-perfect American accent, brings depth and humanity to the part of Father Moore.’
     • ‘We have to get the transmission of a complete sentence down, letter-perfect.’