initial - definition and synonyms

 
 
noun [countable] 

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/ɪˈnɪʃ(ə)l/
singularinitial
pluralinitials
  1. the first letter of someone’s name, especially their first name
    1. a.

      initials

      [plural] the first letters of all someone’s names

      He carries a leather case with his initials stamped on it.

    2. b.

      initial

      or

      initial letter

      the first letter of a word