interject

/ˌɪntərˈdʒɛkt/
verb
  1. To say something suddenly while someone else is speaking, often to interrupt or add a comment.
    • The teacher asked the students not to interject while she was explaining the lesson.
    • During the meeting, she interjected a question about the budget.
    • He couldn't help but interject with a joke when the conversation got too serious.
Antonyms
What does "interject" mean? | whatsthatwordmean | whatsthatwordmean