Definitions

1. noun

A person or thing of no importance, influence, or significance.

“The politician was seen as a nonentity by his opponents.”

2. noun

A person who is unknown or has no reputation.

“The new actress was a total nonentity in the film industry.”

3. noun

A person or thing that has no existence or reality.

“The idea of a utopia was a nonentity in the real world.”