interjection - definition and synonyms

noun 

Your browser doesn’t support HTML5 audio

/ˌɪntə(r)ˈdʒekʃ(ə)n/
singularinterjection
pluralinterjections
  1. 1
    [countable] linguistics a word or phrase used for expressing a strong emotion such as surprise or anger. ‘Oh’ and ‘ouch’ are interjections.
  2. 2
    [countable/uncountable] formal something that someone suddenly says that interrupts someone else who is speaking, or the act of interrupting someone