English to English

noun (n)

• an abrupt emphatic exclamation expressing emotion(noun.communication)

  Synonym:
  ejaculation
  

  source: wordnet30
• the action of interjecting or interposing an action or remark that interrupts(noun.act)

  Synonym:
  interpellation, interpolation, interposition
  

  source: wordnet30
• The act of interjecting or throwing between; also, that which is interjected.(noun)

  source: webster1913