dinosaurs are no longer in existense, but are extinct.
I dream of moving to some exotic place where I can get away from my mundane existence.
The existence of time is real.
the existence of extraterrestrials is a paradox
The young adult question his existence in the world; he wanted to know where he belonged.
what is a good sentence for the word opposite
The existence of life on other planets has been a topic of speculation for decades.
A good sentence for the word baffled is:
The complete death and non existence of one species.
One could debate the existence of an after life.
There is no evidence yet to suggest their is an existence of aliens... But in the future, who knows?
Any sentence that properly uses the word additionally is a good sentence. Additionally, the above is a great sentence.
Actually ... no, I can't, because I'm unaware of the existence of such a word or what it might mean.