Meaning/Usage: To forget about it; to express you don't need an answer any longer
Explanation: Although the sentences below are used in full sentences, this phrase is most commonly used by itself. For example, A: "Can you grab that pen for me?" B: "What did you say?" A: "Never mind."
Never mind what you were going to do, we need to leave now!
Never mind what I said before, I was wrong.
Never mind cooking dinner for me, I will be home too late.
A.
So what would you like me to fix for dinner tonight?
B.
Never mind cooking anything for me, I will not be home until late.