To be not particularly wonderful, remarkable, beautiful, great, etc. A: "How's your sandwich?" B: "Eh, it's nothing special." I don't know why everyone is so enamored of this actress; she's nothing special, in my opinion.

Nothing exceptional or particularly wonderful, remarkable, beautiful, great, etc. I don't know why everyone is so enamored of this actress—she's nothing special, in my opinion. A: "What are you doing for your birthday?" B: "Nothing special. We'll probably just stay in."