Adjective
virtual - Almost or nearly as described, but not completely; something is so nearly true that for most purposes it can be regarded as true; something that exists in essence but not in actuality.

During the pandemic, Zoom created a virtual sense of togetherness.
frazzled - To feel completely exhausted and worn out, and unable to think straight, after a great deal of mental or physical effort
After being up two nights in a row writing a 60 page history paper, and drinking 60 cups of coffee, Simon's mind felt frazzled.