deja vu

Noun

déjà vu (usually uncountable, plural déjà vus)

1. (usually) The subjective, unexpected feeling of having experienced something before, especially when that is not the case.
   • Why did some déjà vus pattern or pulse at certain peak moments and not others?1996, José Argüelles, “The Secret Time Sharers and the Discovery of the Pulsar Code”, in The Arcturus Probe: Tales and Reports of an Ongoing Investigation, Flagstaff, Ariz.: Light Technology...
2. (usually) Loosely or humorously, anything one has done before or is being repeated.
   • Have I done this before? Talk about déjà vu.

See all 3 meanings of déjà vu