Definition:

1. The uncanny feeling that one has experienced the present situation before even if one hasn’t.
2. The boredom that ensues when some situation seems tediously familiar.

Etymology: The word comes from the French. It means “already seen.” It was borrowed by scientists to name a psychological state of an overwhelming sense of recall of something the person never actually experienced before. The feeling is called “promnesia” in science.

In a Sentence

She entered the sanitarium to visit her mother for the first time and experienced an overwhelming sense of deja vu.

Yogi Berra made the sportscasters all laugh when he said, “It’s deja vu all over again.”

It seemed like deja vu to Carla because the girls were yet again gossiping about their new, beautiful classmate.