kay
interj. A1 Beginner US //ˈkeɪ// kay
interj. a short way of saying 'okay' to show that you agree or understand.
interj. an informal clipping of 'okay' used to express agreement, acceptance, or acknowledgement.
I'll be there in five minutes. Kay.
I'm going to the store now, kay? I'll be back soon.
The speaker used a quick 'kay' to signal they had processed the instruction before immediately returning to the task at hand.
Pitfall
Kay, I will go to the store.Okay, I will go to the store.While common in speech, 'kay' is too informal for professional or academic writing; use 'okay' or 'all right' instead.