1. a person of no importance or influence
2. something that does not exist or has no real existence
Usage: formal

Examples

• He was treated like a nonentity at the company meeting.
• The new employee felt like a complete nonentity among the senior staff.
• After losing the election, the former mayor became a political nonentity.
• She refused to be dismissed as a nonentity in the academic world.
• The philosopher argued that evil is merely a nonentity, not a real force.
• In his theory, darkness is a nonentity—simply the absence of light.