1. A person regarded as being of no importance or significance.
2. Nonexistence.
3. Something that does not exist or that exists only in the imagination
1. i am a nonentity
2. It doesn't exist, it's a nonentity!
3. Sorry kid but Santa Claus and the tooth fairy are nonentities.
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.