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initial (EN)
adjective, noun, verb

adjective “initial”

base form initial, non-gradable
  1. occurring at the beginning; first
    She was nervous during the initial interview but relaxed later on.
  2. placed at the beginning; at the start, especially of a word
    The initial letter of 'banana' is 'b'.

noun “initial”

singular initial, plural initials
  1. the first letter of a name or word
    He inscribed his middle initial on the ring.
  2. a large decorative letter at the beginning of a text
    Medieval manuscripts often include ornate initials.
  3. (phonology) the sound at the beginning of a syllable before the vowel
    The “t” in “top” is an initial.

verb “initial”

infinitive initial; he initials; past tense initialed us, initialled uk; past part. initialed us, initialled uk; ger. initialing us, initialling uk
  1. to mark or sign with one's initials, especially to indicate approval
    Please initial each page of the agreement to confirm you have read it.