Déjà vu is a feeling like you have experienced something before, even though you know you haven't. A relative of déjà vu is a feeling like you are experiencing something for the first time, even though you know you have experienced it before.
Having a sudden feeling of unfamiliarity with something you experience often. For example, if you walk down a road you take every day and suddenly feel like you don't know where you are, you might think "where am I? How did I get here?". It can happen in a split second and it's not clear if it's a good thing or not.
The feeling of what could have been, but wasn't.
Sometimes you feel like you've been somewhere before, even though you haven't. This is called Deja Vu. The opposite of this is called Jamais Vu, which is when you go to the same places and see the same people, but it feels like it's the first time. Everything feels unfamiliar and strange.
Experiencing love for the first time, even if you know what it feels like, can be just as painful as it is wonderful.
Jamais vu is a feeling that is similar to deja vu, but instead of feeling like you have experienced something before, you feel like you have never experienced it before. It can happen to anyone, but it is not as common as deja vu. For example, when you think deeply about a word, it can suddenly seem strange and unfamiliar.
This song is so beautiful that it feels like it's surrounding you, but it won't leave your mind even when you're not listening to it. It takes you away to a different place at the end.
Deja vu is the feeling of having already experienced something. The opposite of this is called jamais vu, which is the feeling of not recognizing something that you should know. It is usually seen in elderly people, but it can happen to anyone. For example, in Chuck Palahniuk's book Choke, the main character experiences the same event every day, but he has a different reaction each time, as if he is seeing it for the first time.